suse-su-2019:3261-1
Vulnerability from csaf_suse
Published
2019-12-11 10:15
Modified
2019-12-11 10:15
Summary
Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP2)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP2)
Description of the patch
This update for the Linux Kernel 4.4.121-92_117 fixes several issues. The following security issues were fixed: - CVE-2018-20856: Fixed a use-after-free in __blk_drain_queue() due to an improper error handling (bsc#1156331). - CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging certain scenarios with a parent-child process relationship (bsc#1156321). - CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108). The following bugs were fixed: - Fixed boot up hang revealed by int3 self test (bsc#1157770).
Patchnames
SUSE-2019-3261,SUSE-SLE-SAP-12-SP2-2019-3261,SUSE-SLE-SAP-12-SP2-2019-3262,SUSE-SLE-SERVER-12-SP2-2019-3261,SUSE-SLE-SERVER-12-SP2-2019-3262
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": [
    {
      "cve": "CVE-2018-20856",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-20856"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.",
          "title": "CVE description"
        }
      ],
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          "url": "https://www.suse.com/security/cve/CVE-2018-20856"
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          "summary": "SUSE Bug 1156331 for CVE-2018-20856",
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      "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",
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "date": "2019-12-11T10:15:07Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-20856"
    },
    {
      "cve": "CVE-2019-10220",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-10220"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Linux kernel CIFS implementation, version 4.9.0 is vulnerable to a relative paths injection in directory entry lists.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-10220",
          "url": "https://www.suse.com/security/cve/CVE-2019-10220"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1144903 for CVE-2019-10220",
          "url": "https://bugzilla.suse.com/1144903"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1153108 for CVE-2019-10220",
          "url": "https://bugzilla.suse.com/1153108"
        }
      ],
      "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 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-12-11T10:15:07Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2019-10220"
    },
    {
      "cve": "CVE-2019-13272",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-13272"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect marking of a ptrace relationship as privileged, which is exploitable through (for example) Polkit\u0027s pkexec helper with PTRACE_TRACEME. NOTE: SELinux deny_ptrace might be a usable workaround in some environments.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-13272",
          "url": "https://www.suse.com/security/cve/CVE-2019-13272"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1140671 for CVE-2019-13272",
          "url": "https://bugzilla.suse.com/1140671"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1156321 for CVE-2019-13272",
          "url": "https://bugzilla.suse.com/1156321"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1198122 for CVE-2019-13272",
          "url": "https://bugzilla.suse.com/1198122"
        }
      ],
      "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 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-6-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_117-default-5-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-12-11T10:15:07Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2019-13272"
    }
  ]
}


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