suse-su-2021:3692-1
Vulnerability from csaf_suse
Published
2021-11-17 09:02
Modified
2021-11-17 09:02
Summary
Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP5)

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).


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "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/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP5)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 4.12.14-122_91 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2021-0935: Fixed use after free that could lead to local escalation of privilege in ip6_xmit of ip6_output.c (bsc#1192042).\n- 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).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2021-3692,SUSE-SLE-Live-Patching-12-SP5-2021-3692",
        "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": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2021_3692-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2021:3692-1",
        "url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213692-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2021:3692-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009742.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1191318",
        "url": "https://bugzilla.suse.com/1191318"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1192042",
        "url": "https://bugzilla.suse.com/1192042"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2021-0935 page",
        "url": "https://www.suse.com/security/cve/CVE-2021-0935/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2021-41864 page",
        "url": "https://www.suse.com/security/cve/CVE-2021-41864/"
      }
    ],
    "title": "Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP5)",
    "tracking": {
      "current_release_date": "2021-11-17T09:02:32Z",
      "generator": {
        "date": "2021-11-17T09:02:32Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2021:3692-1",
      "initial_release_date": "2021-11-17T09:02:32Z",
      "revision_history": [
        {
          "date": "2021-11-17T09:02:32Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
                "product": {
                  "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
                  "product_id": "kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le"
                }
              }
            ],
            "category": "architecture",
            "name": "ppc64le"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
                "product": {
                  "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
                  "product_id": "kgraft-patch-4_12_14-122_91-default-2-2.2.s390x"
                }
              }
            ],
            "category": "architecture",
            "name": "s390x"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64",
                "product": {
                  "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64",
                  "product_id": "kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 12 SP5",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 12 SP5",
                  "product_id": "SUSE Linux Enterprise Live Patching 12 SP5",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-live-patching:12:sp5"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le as component of SUSE Linux Enterprise Live Patching 12 SP5",
          "product_id": "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le"
        },
        "product_reference": "kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 12 SP5"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.s390x as component of SUSE Linux Enterprise Live Patching 12 SP5",
          "product_id": "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.s390x"
        },
        "product_reference": "kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 12 SP5"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64 as component of SUSE Linux Enterprise Live Patching 12 SP5",
          "product_id": "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64"
        },
        "product_reference": "kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 12 SP5"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-0935",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-0935"
        }
      ],
      "notes": [
        {
          "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"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-0935",
          "url": "https://www.suse.com/security/cve/CVE-2021-0935"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1192032 for CVE-2021-0935",
          "url": "https://bugzilla.suse.com/1192032"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1192042 for CVE-2021-0935",
          "url": "https://bugzilla.suse.com/1192042"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1196722 for CVE-2021-0935",
          "url": "https://bugzilla.suse.com/1196722"
        }
      ],
      "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 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.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 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-11-17T09:02:32Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-0935"
    },
    {
      "cve": "CVE-2021-41864",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-41864"
        }
      ],
      "notes": [
        {
          "category": "general",
          "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.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64"
        ]
      },
      "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 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.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 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_91-default-2-2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-11-17T09:02:32Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-41864"
    }
  ]
}


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