suse-su-2022:4038-1
Vulnerability from csaf_suse
Published
2022-11-16 21:06
Modified
2022-11-16 21:06
Summary
Security update for the Linux Kernel (Live Patch 25 for SLE 15 SP3)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 25 for SLE 15 SP3)
Description of the patch
This update for the Linux Kernel 5.3.18-150300_59_98 fixes several issues. The following security issues were fixed: - CVE-2021-39698: Fixed a possible memory corruption due to a use after free in aio_poll_complete_work. This could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1196956) - CVE-2022-39189: Fixed a bug in the x86 KVM subsystem which allows unprivileged guest users to compromise the guest kernel because TLB flush operations are mishandled (bnc#1203066).
Patchnames
SUSE-2022-4038,SUSE-SLE-Module-Live-Patching-15-SP2-2022-4032,SUSE-SLE-Module-Live-Patching-15-SP3-2022-4038
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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    "distribution": {
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        "title": "Description of the patch"
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        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
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        "title": "Terms of use"
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  "vulnerabilities": [
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          "text": "https://www.suse.com/security/cve/CVE-2021-39698"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel",
          "title": "CVE description"
        }
      ],
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          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.s390x",
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      "references": [
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          "summary": "CVE-2021-39698",
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        },
        {
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          "summary": "SUSE Bug 1196956 for CVE-2021-39698",
          "url": "https://bugzilla.suse.com/1196956"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1196959 for CVE-2021-39698",
          "url": "https://bugzilla.suse.com/1196959"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1209225 for CVE-2021-39698",
          "url": "https://bugzilla.suse.com/1209225"
        }
      ],
      "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": [
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      ],
      "scores": [
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          "cvss_v3": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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          "details": "important"
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      "title": "CVE-2021-39698"
    },
    {
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          "text": "https://www.suse.com/security/cve/CVE-2022-39189"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_134-default-2-150200.2.1.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.s390x",
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          "summary": "SUSE Bug 1203066 for CVE-2022-39189",
          "url": "https://bugzilla.suse.com/1203066"
        },
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          "summary": "SUSE Bug 1203067 for CVE-2022-39189",
          "url": "https://bugzilla.suse.com/1203067"
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          "summary": "SUSE Bug 1209225 for CVE-2022-39189",
          "url": "https://bugzilla.suse.com/1209225"
        }
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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",
          "product_ids": [
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            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_134-default-2-150200.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_134-default-2-150200.2.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.x86_64"
          ]
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            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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          },
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            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_134-default-2-150200.2.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-2-150300.2.1.x86_64"
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      "threats": [
        {
          "category": "impact",
          "date": "2022-11-16T21:06:28Z",
          "details": "important"
        }
      ],
      "title": "CVE-2022-39189"
    }
  ]
}


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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.