suse-su-2018:4300-1
Vulnerability from csaf_suse
Published
2018-12-28 17:38
Modified
2018-12-28 17:38
Summary
Security update for xen

Notes

Title of the patch
Security update for xen
Description of the patch
This update for xen fixes the following issues: Update to Xen 4.10.2 bug fix release (bsc#1027519). Security vulnerabilities fixed: - CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB flushing with AMD IOMMUs, which potentially allowed a guest to escalate its privileges, may cause a Denial of Service (DoS) affecting the entire host, or may be able to access data it is not supposed to access. (XSA-275) (bsc#1115040) - CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case non-canonical addresses are accessed, which may allow a guest to cause Xen to crash, resulting in a Denial of Service (DoS) affecting the entire host. (XSA-279) (bsc#1115045) - CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which conflicted with shadow paging and allowed a guest to cause Xen to crash, resulting in a Denial of Service (DoS). (XSA-280) (bsc#1115047) - CVE-2018-18883: Fixed an issue related to inproper restriction of nested VT-x, which allowed a guest to cause Xen to crash, resulting in a Denial of Service (DoS). (XSA-278) (bsc#1114405) - CVE-2018-15468: Fixed incorrect MSR_DEBUGCTL handling, which allowed guests to enable Branch Trace Store and may cause a Denial of Service (DoS) of the entire host. (XSA-269) (bsc#1103276) - CVE-2018-15469: Fixed use of v2 grant tables on ARM, which were not properly implemented and may cause a Denial of Service (DoS). (XSA-268) (bsc#1103275) - CVE-2018-15470: Fixed an issue in the logic in oxenstored for handling writes, which allowed a guest to write memory unbounded leading to system-wide Denial of Service (DoS). (XSA-272) (bsc#1103279) - CVE-2018-3646: Mitigations for VMM aspects of L1 Terminal Fault (XSA-273) (bsc#1091107) Other bugs fixed: - Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940) - Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528) - Fixed a kernel oops related to fs/dcache.c called by d_materialise_unique() (bsc#1094508)
Patchnames
SUSE-SLE-Module-Basesystem-15-2018-3063,SUSE-SLE-Module-Server-Applications-15-2018-3063
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

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        "text": "This update for xen fixes the following issues:\n\nUpdate to Xen 4.10.2 bug fix release (bsc#1027519).\n\nSecurity vulnerabilities fixed:\n\n- CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB\n  flushing with AMD IOMMUs, which potentially allowed a guest to escalate its\n  privileges, may cause a Denial of Service (DoS) affecting the entire host, or\n  may be able to access data it is not supposed to access. (XSA-275)\n  (bsc#1115040)\n- CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case\n  non-canonical addresses are accessed, which may allow a guest to cause Xen to\n  crash, resulting in a Denial of Service (DoS) affecting the entire host.\n  (XSA-279) (bsc#1115045)\n- CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which\n  conflicted with shadow paging and allowed a guest to cause Xen to crash,\n  resulting in a Denial of Service (DoS). (XSA-280) (bsc#1115047)\n- CVE-2018-18883: Fixed an issue related to inproper restriction of nested VT-x,\n  which allowed a guest to cause Xen to crash, resulting in a Denial of Service\n  (DoS). (XSA-278) (bsc#1114405)\n- CVE-2018-15468: Fixed incorrect MSR_DEBUGCTL handling, which allowed guests to\n  enable Branch Trace Store and may cause a Denial of Service (DoS) of the\n  entire host. (XSA-269) (bsc#1103276)\n- CVE-2018-15469: Fixed use of v2 grant tables on ARM, which were not properly\n  implemented and may cause a Denial of Service (DoS). (XSA-268) (bsc#1103275)\n- CVE-2018-15470: Fixed an issue in the logic in oxenstored for handling writes,\n  which allowed a guest to write memory unbounded leading to system-wide Denial\n  of Service (DoS). (XSA-272) (bsc#1103279)\n- CVE-2018-3646: Mitigations for VMM aspects of L1 Terminal Fault (XSA-273)\n  (bsc#1091107)\n\nOther bugs fixed:\n\n- Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940)\n- Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528)\n- Fixed a kernel oops related to fs/dcache.c called by d_materialise_unique() (bsc#1094508)\n",
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          "category": "general",
          "text": "An issue was discovered in Xen through 4.11.x. The DEBUGCTL MSR contains several debugging features, some of which virtualise cleanly, but some do not. In particular, Branch Trace Store is not virtualised by the processor, and software has to be careful to configure it suitably not to lock up the core. As a result, it must only be available to fully trusted guests. Unfortunately, in the case that vPMU is disabled, all value checking was skipped, allowing the guest to choose any MSR_DEBUGCTL setting it likes. A malicious or buggy guest administrator (on Intel x86 HVM or PVH) can lock up the entire host, causing a Denial of Service.",
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          "text": "https://www.suse.com/security/cve/CVE-2018-15469"
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          "text": "An issue was discovered in Xen through 4.11.x. ARM never properly implemented grant table v2, either in the hypervisor or in Linux. Unfortunately, an ARM guest can still request v2 grant tables; they will simply not be properly set up, resulting in subsequent grant-related hypercalls hitting BUG() checks. An unprivileged guest can cause a BUG() check in the hypervisor, resulting in a denial-of-service (crash).",
          "title": "CVE description"
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        {
          "category": "impact",
          "date": "2018-12-28T17:38:50Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-15469"
    },
    {
      "cve": "CVE-2018-15470",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-15470"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Xen through 4.11.x. The logic in oxenstored for handling writes depended on the order of evaluation of expressions making up a tuple. As indicated in section 7.7.3 \"Operations on data structures\" of the OCaml manual, the order of evaluation of subexpressions is not specified. In practice, different implementations behave differently. Thus, oxenstored may not enforce the configured quota-maxentity. This allows a malicious or buggy guest to write as many xenstore entries as it wishes, causing unbounded memory usage in oxenstored. This can lead to a system-wide DoS.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-15470",
          "url": "https://www.suse.com/security/cve/CVE-2018-15470"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1103279 for CVE-2018-15470",
          "url": "https://bugzilla.suse.com/1103279"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-12-28T17:38:50Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-15470"
    },
    {
      "cve": "CVE-2018-18883",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-18883"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-18883",
          "url": "https://www.suse.com/security/cve/CVE-2018-18883"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1114405 for CVE-2018-18883",
          "url": "https://bugzilla.suse.com/1114405"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-12-28T17:38:50Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-18883"
    },
    {
      "cve": "CVE-2018-19961",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19961"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19961",
          "url": "https://www.suse.com/security/cve/CVE-2018-19961"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1115040 for CVE-2018-19961",
          "url": "https://bugzilla.suse.com/1115040"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1178658 for CVE-2018-19961",
          "url": "https://bugzilla.suse.com/1178658"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-12-28T17:38:50Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-19961"
    },
    {
      "cve": "CVE-2018-19962",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19962"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19962",
          "url": "https://www.suse.com/security/cve/CVE-2018-19962"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1115040 for CVE-2018-19962",
          "url": "https://bugzilla.suse.com/1115040"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1178658 for CVE-2018-19962",
          "url": "https://bugzilla.suse.com/1178658"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-12-28T17:38:50Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-19962"
    },
    {
      "cve": "CVE-2018-19965",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19965"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19965",
          "url": "https://www.suse.com/security/cve/CVE-2018-19965"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1115045 for CVE-2018-19965",
          "url": "https://bugzilla.suse.com/1115045"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-12-28T17:38:50Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-19965"
    },
    {
      "cve": "CVE-2018-19966",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19966"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19966",
          "url": "https://www.suse.com/security/cve/CVE-2018-19966"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1115047 for CVE-2018-19966",
          "url": "https://bugzilla.suse.com/1115047"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1178658 for CVE-2018-19966",
          "url": "https://bugzilla.suse.com/1178658"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-12-28T17:38:50Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-19966"
    },
    {
      "cve": "CVE-2018-3646",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-3646"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
          "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-3646",
          "url": "https://www.suse.com/security/cve/CVE-2018-3646"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1087078 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1087078"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1087081 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1087081"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1089343 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1089343"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1091107 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1091107"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1099306 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1099306"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1104365 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1104365"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1104894 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1104894"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1106548 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1106548"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1113534 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1113534"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1136865 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1136865"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1178658 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1178658"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1201877 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1201877"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15:xen-libs-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Basesystem 15:xen-tools-domU-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-devel-4.10.2_04-3.9.1.x86_64",
            "SUSE Linux Enterprise Module for Server Applications 15:xen-tools-4.10.2_04-3.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-12-28T17:38:50Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-3646"
    }
  ]
}


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