suse-su-2022:0270-1
Vulnerability from csaf_suse
Published
2022-02-01 11:16
Modified
2022-02-01 11:16
Summary
Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3)
Description of the patch
This update for the Linux Kernel 5.3.18-59_27 fixes several issues. The following security issues were fixed: - CVE-2022-0185: Incorrect param length parsing in legacy_parse_param which could have led to a local privilege escalation (bsc#1194517). - CVE-2021-4028: Fixed use-after-free in RDMA listen() that could lead to DoS or privilege escalation by a local attacker (bsc#1193167). - CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandled bounds checking (bsc#1184673).
Patchnames
SUSE-2022-270,SUSE-SLE-Module-Live-Patching-15-SP3-2022-259,SUSE-SLE-Module-Live-Patching-15-SP3-2022-270
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": "A flaw in the Linux kernel\u0027s implementation of RDMA communications manager listener code allowed an attacker with local access to setup a socket to listen on a high port allowing for a list element to be used after free. Given the ability to execute code, a local attacker could leverage this use-after-free to crash the system or possibly escalate privileges on the system.",
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        {
          "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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            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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          "date": "2022-02-01T11:16:09Z",
          "details": "important"
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      "title": "CVE-2021-4028"
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          "text": "https://www.suse.com/security/cve/CVE-2021-42739"
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          "text": "The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.",
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          "category": "external",
          "summary": "SUSE Bug 1184673 for CVE-2021-42739",
          "url": "https://bugzilla.suse.com/1184673"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1192036 for CVE-2021-42739",
          "url": "https://bugzilla.suse.com/1192036"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1196722 for CVE-2021-42739",
          "url": "https://bugzilla.suse.com/1196722"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1196914 for CVE-2021-42739",
          "url": "https://bugzilla.suse.com/1196914"
        }
      ],
      "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 Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-02-01T11:16:09Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-42739"
    },
    {
      "cve": "CVE-2022-0185",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2022-0185"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherwise needs namespaced CAP_SYS_ADMIN privilege) local user able to open a filesystem that does not support the Filesystem Context API (and thus fallbacks to legacy handling) could use this flaw to escalate their privileges on the system.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2022-0185",
          "url": "https://www.suse.com/security/cve/CVE-2022-0185"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1194517 for CVE-2022-0185",
          "url": "https://bugzilla.suse.com/1194517"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1194737 for CVE-2022-0185",
          "url": "https://bugzilla.suse.com/1194737"
        }
      ],
      "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 Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_24-default-4-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_27-default-4-150300.2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-02-01T11:16:09Z",
          "details": "important"
        }
      ],
      "title": "CVE-2022-0185"
    }
  ]
}


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