SUSE-SU-2021:3692-1

Vulnerability from csaf_suse - Published: 2021-11-17 09:02 - Updated: 2021-11-17 09:02
Summary
Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP5)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP5)
Description of the patch: This update for the Linux Kernel 4.12.14-122_91 fixes several issues. The following security issues were fixed: - CVE-2021-0935: Fixed use after free that could lead to local escalation of privilege in ip6_xmit of ip6_output.c (bsc#1192042). - 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-2021-3692,SUSE-SLE-Live-Patching-12-SP5-2021-3692
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

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    "csaf_version": "2.0",
    "distribution": {
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        "summary": "SUSE Bug 1191318",
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        "summary": "SUSE Bug 1192042",
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        },
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  "vulnerabilities": [
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      "cve": "CVE-2021-0935",
      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2021-0935"
        }
      ],
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          "category": "general",
          "text": "In ip6_xmit of ip6_output.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-168607263References: Upstream kernel",
          "title": "CVE description"
        }
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          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64"
        ]
      },
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          "summary": "CVE-2021-0935",
          "url": "https://www.suse.com/security/cve/CVE-2021-0935"
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        {
          "category": "external",
          "summary": "SUSE Bug 1192032 for CVE-2021-0935",
          "url": "https://bugzilla.suse.com/1192032"
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        {
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          "summary": "SUSE Bug 1192042 for CVE-2021-0935",
          "url": "https://bugzilla.suse.com/1192042"
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          "summary": "SUSE Bug 1196722 for CVE-2021-0935",
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        }
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            "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"
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          "text": "https://www.suse.com/security/cve/CVE-2021-41864"
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          "text": "prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.",
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            "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"
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          "products": [
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          "date": "2021-11-17T09:02:32Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-41864"
    }
  ]
}


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Sightings

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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.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
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