suse-su-2018:2684-1
Vulnerability from csaf_suse
Published
2018-09-11 05:36
Modified
2018-09-11 05:36
Summary
Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP2)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP2)
Description of the patch
This update for the Linux Kernel 4.4.121-92_92 fixes one issue. The following security issue was fixed: - CVE-2018-10853: A KVM guest userspace to guest kernel write was fixed, which could be used by guest users to crash the guest kernel (bsc#1097108).
Patchnames
SUSE-SLE-SAP-12-SP1-2018-1874,SUSE-SLE-SAP-12-SP2-2018-1875,SUSE-SLE-SERVER-12-2018-1873,SUSE-SLE-SERVER-12-SP1-2018-1874,SUSE-SLE-SERVER-12-SP2-2018-1875
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": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
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    },
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        "text": "This update for the Linux Kernel 4.4.121-92_92 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2018-10853: A KVM guest userspace to guest kernel write was fixed, which could be used by guest users to crash the guest kernel (bsc#1097108).\n",
        "title": "Description of the patch"
      },
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        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
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      },
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      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2018:2684-1",
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    "tracking": {
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      },
      "id": "SUSE-SU-2018:2684-1",
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      "revision_history": [
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  "vulnerabilities": [
    {
      "cve": "CVE-2018-10853",
      "ids": [
        {
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          "text": "https://www.suse.com/security/cve/CVE-2018-10853"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.",
          "title": "CVE description"
        }
      ],
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          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_92-default-2-2.1.x86_64",
          "SUSE Linux Enterprise Server 12-LTSS:kgraft-patch-3_12_61-52_141-default-2-2.1.x86_64",
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      "references": [
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          "summary": "CVE-2018-10853",
          "url": "https://www.suse.com/security/cve/CVE-2018-10853"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1097104 for CVE-2018-10853",
          "url": "https://bugzilla.suse.com/1097104"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1097108 for CVE-2018-10853",
          "url": "https://bugzilla.suse.com/1097108"
        }
      ],
      "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 SP1-LTSS:kgraft-patch-3_12_74-60_64_99-default-2-2.1.x86_64",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
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            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_92-default-2-2.1.x86_64",
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            "SUSE Linux Enterprise Server for SAP Applications 12 SP1:kgraft-patch-3_12_74-60_64_99-xen-2-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_92-default-2-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-09-11T05:36:51Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-10853"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.