suse-su-2023:4243-1
Vulnerability from csaf_suse
Published
2023-10-30 08:49
Modified
2023-10-30 08:49
Summary
Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP2)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP2)
Description of the patch
This update for the Linux Kernel 5.3.18-150200_24_163 fixes several issues. The following security issues were fixed: - CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440). - CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).
Patchnames
SUSE-2023-4243,SUSE-SLE-Module-Live-Patching-15-SP2-2023-4243
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 40 for SLE 15 SP2)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 5.3.18-150200_24_163 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440).\n- CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2023-4243,SUSE-SLE-Module-Live-Patching-15-SP2-2023-4243",
        "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-2023_4243-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2023:4243-1",
        "url": "https://www.suse.com/support/update/announcement/2023/suse-su-20234243-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2023:4243-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016915.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1210619",
        "url": "https://bugzilla.suse.com/1210619"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1215440",
        "url": "https://bugzilla.suse.com/1215440"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-1829 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-1829/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-4623 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-4623/"
      }
    ],
    "title": "Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP2)",
    "tracking": {
      "current_release_date": "2023-10-30T08:49:03Z",
      "generator": {
        "date": "2023-10-30T08:49:03Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2023:4243-1",
      "initial_release_date": "2023-10-30T08:49:03Z",
      "revision_history": [
        {
          "date": "2023-10-30T08:49:03Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
                "product": {
                  "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
                  "product_id": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le"
                }
              }
            ],
            "category": "architecture",
            "name": "ppc64le"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
                "product": {
                  "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
                  "product_id": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x"
                }
              }
            ],
            "category": "architecture",
            "name": "s390x"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64",
                "product": {
                  "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64",
                  "product_id": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64"
                }
              },
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_3_18-150200_24_163-preempt-2-150200.2.1.x86_64",
                "product": {
                  "name": "kernel-livepatch-5_3_18-150200_24_163-preempt-2-150200.2.1.x86_64",
                  "product_id": "kernel-livepatch-5_3_18-150200_24_163-preempt-2-150200.2.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP2",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP2",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp2"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le as component of SUSE Linux Enterprise Live Patching 15 SP2",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le"
        },
        "product_reference": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x as component of SUSE Linux Enterprise Live Patching 15 SP2",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x"
        },
        "product_reference": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP2",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64"
        },
        "product_reference": "kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-1829",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-1829"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation.  The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.  A local attacker user can use this vulnerability to elevate its privileges to root.\nWe recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-1829",
          "url": "https://www.suse.com/security/cve/CVE-2023-1829"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210335 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1210335"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210619 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1210619"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217444 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1217444"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217531 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1217531"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1220886 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1220886"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1228311 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1228311"
        }
      ],
      "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 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.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 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-10-30T08:49:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-1829"
    },
    {
      "cve": "CVE-2023-4623",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-4623"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability in the Linux kernel\u0027s net/sched: sch_hfsc (HFSC qdisc traffic control) component can be exploited to achieve local privilege escalation.\n\nIf a class with a link-sharing curve (i.e. with the HFSC_FSC flag set) has a parent without a link-sharing curve, then init_vf() will call vttree_insert() on the parent, but vttree_remove() will be skipped in update_vf(). This leaves a dangling pointer that can cause a use-after-free.\n\nWe recommend upgrading past commit b3d26c5702c7d6c45456326e56d2ccf3f103e60f.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-4623",
          "url": "https://www.suse.com/security/cve/CVE-2023-4623"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1215115 for CVE-2023-4623",
          "url": "https://bugzilla.suse.com/1215115"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1215440 for CVE-2023-4623",
          "url": "https://bugzilla.suse.com/1215440"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217444 for CVE-2023-4623",
          "url": "https://bugzilla.suse.com/1217444"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217531 for CVE-2023-4623",
          "url": "https://bugzilla.suse.com/1217531"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1219698 for CVE-2023-4623",
          "url": "https://bugzilla.suse.com/1219698"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221578 for CVE-2023-4623",
          "url": "https://bugzilla.suse.com/1221578"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221598 for CVE-2023-4623",
          "url": "https://bugzilla.suse.com/1221598"
        }
      ],
      "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 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.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 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_163-default-2-150200.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-10-30T08:49:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-4623"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.