suse-su-2017:1148-1
Vulnerability from csaf_suse
Published
2017-05-02 12:49
Modified
2017-05-02 12:49
Summary
Security update for xen

Notes

Title of the patch
Security update for xen
Description of the patch
This update for xen fixes several issues. These security issues were fixed: - CVE-2017-7980: An out-of-bounds r/w access issues in the Cirrus CLGD 54xx VGA Emulator support allowed privileged user inside guest to use this flaw to crash the Qemu process resulting in DoS or potentially execute arbitrary code on a host with privileges of Qemu process on the host (bsc#1035483). - A malicious 64-bit PV guest may be able to access all of system memory, allowing for all of privilege escalation, host crashes, and information leaks by placing a IRET hypercall in the middle of a multicall batch (XSA-213, bsc#1034843) - A malicious pair of guests may be able to access all of system memory, allowing for all of privilege escalation, host crashes, and information leaks because of a missing check when transfering pages via GNTTABOP_transfer (XSA-214, bsc#1034844). - Incorrect checks when handling exceptions allowed a malicious or buggy 64-bit PV guest to modify part of a physical memory page not belonging to it, potentially allowing for all of privilege escalation, host or other guest crashes, and information leaks (XSA-215, bsc#1034845) - CVE-2017-7718: hw/display/cirrus_vga_rop.h allowed local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions (bsc#1034994). This non-security issue was fixed: - bsc#1029827: Additional xenstore fixes
Patchnames
SUSE-SLE-SAP-12-2017-665,SUSE-SLE-SERVER-12-2017-665
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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  "vulnerabilities": [
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          "text": "hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.",
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12-LTSS:xen-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-doc-html-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-kmp-default-4.4.4_18_k3.12.61_52.69-22.39.1.x86_64",
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            "SUSE Linux Enterprise Server 12-LTSS:xen-libs-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-tools-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-tools-domU-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-doc-html-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-kmp-default-4.4.4_18_k3.12.61_52.69-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-libs-32bit-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-libs-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-tools-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-tools-domU-4.4.4_18-22.39.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2017-05-02T12:49:05Z",
          "details": "low"
        }
      ],
      "title": "CVE-2017-7718"
    },
    {
      "cve": "CVE-2017-7980",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2017-7980"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service (crash) via vectors related to a VNC client updating its display after a VGA operation.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12-LTSS:xen-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server 12-LTSS:xen-doc-html-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server 12-LTSS:xen-kmp-default-4.4.4_18_k3.12.61_52.69-22.39.1.x86_64",
          "SUSE Linux Enterprise Server 12-LTSS:xen-libs-32bit-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server 12-LTSS:xen-libs-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server 12-LTSS:xen-tools-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server 12-LTSS:xen-tools-domU-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12:xen-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12:xen-doc-html-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12:xen-kmp-default-4.4.4_18_k3.12.61_52.69-22.39.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12:xen-libs-32bit-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12:xen-libs-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12:xen-tools-4.4.4_18-22.39.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12:xen-tools-domU-4.4.4_18-22.39.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2017-7980",
          "url": "https://www.suse.com/security/cve/CVE-2017-7980"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1035406 for CVE-2017-7980",
          "url": "https://bugzilla.suse.com/1035406"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1035483 for CVE-2017-7980",
          "url": "https://bugzilla.suse.com/1035483"
        }
      ],
      "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 Server 12-LTSS:xen-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-doc-html-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-kmp-default-4.4.4_18_k3.12.61_52.69-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-libs-32bit-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-libs-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-tools-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-tools-domU-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-doc-html-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-kmp-default-4.4.4_18_k3.12.61_52.69-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-libs-32bit-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-libs-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-tools-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-tools-domU-4.4.4_18-22.39.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12-LTSS:xen-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-doc-html-4.4.4_18-22.39.1.x86_64",
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            "SUSE Linux Enterprise Server 12-LTSS:xen-libs-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-tools-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:xen-tools-domU-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-doc-html-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-kmp-default-4.4.4_18_k3.12.61_52.69-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-libs-32bit-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-libs-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-tools-4.4.4_18-22.39.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:xen-tools-domU-4.4.4_18-22.39.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2017-05-02T12:49:05Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2017-7980"
    }
  ]
}


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