SUSE-SU-2021:3742-1

Vulnerability from csaf_suse - Published: 2021-11-19 14:36 - Updated: 2021-11-19 14:36
Summary
Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3)
Description of the patch
This update for the Linux Kernel 5.3.18-59_19 fixes several issues. The following security issues were fixed: - CVE-2021-34866: Fixed possible eBPF Type Confusion privilege escalation vulnerability via eBPF type confusion (bsc#1191646). - CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318).
Patchnames
SUSE-2021-3742,SUSE-SLE-Module-Live-Patching-15-SP3-2021-3739,SUSE-SLE-Module-Live-Patching-15-SP3-2021-3740,SUSE-SLE-Module-Live-Patching-15-SP3-2021-3741,SUSE-SLE-Module-Live-Patching-15-SP3-2021-3742
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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          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_19-default-4-2.2.ppc64le",
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        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-41864",
          "url": "https://www.suse.com/security/cve/CVE-2021-41864"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1191317 for CVE-2021-41864",
          "url": "https://bugzilla.suse.com/1191317"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1191318 for CVE-2021-41864",
          "url": "https://bugzilla.suse.com/1191318"
        }
      ],
      "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_10-default-6-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_10-default-6-2.2.s390x",
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            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_5-default-6-2.2.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_10-default-6-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_10-default-6-2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_10-default-6-2.2.x86_64",
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            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_19-default-4-2.2.ppc64le",
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            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_19-default-4-2.2.x86_64",
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            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_5-default-6-2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-59_5-default-6-2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-11-19T14:36:16Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-41864"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.