suse-su-2024:3319-1
Vulnerability from csaf_suse
Published
2024-09-18 20:33
Modified
2024-09-18 20:33
Summary
Security update for the Linux Kernel RT (Live Patch 16 for SLE 15 SP5)

Notes

Title of the patch
Security update for the Linux Kernel RT (Live Patch 16 for SLE 15 SP5)
Description of the patch
This update for the Linux Kernel 5.14.21-150500_13_58 fixes several issues. The following security issues were fixed: - CVE-2024-40909: Fix a potential use-after-free in bpf_link_free() (bsc#1228349). - CVE-2023-52846: Prevent use after free in prp_create_tagged_frame() (bsc#1225099). - CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in __unix_gc() (bsc#1223683).
Patchnames
SUSE-2024-3319,SUSE-SLE-Module-Live-Patching-15-SP5-2024-3319
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 RT (Live Patch 16 for SLE 15 SP5)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 5.14.21-150500_13_58 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2024-40909: Fix a potential use-after-free in bpf_link_free() (bsc#1228349).\n- CVE-2023-52846: Prevent use after free in prp_create_tagged_frame() (bsc#1225099).\n- CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in __unix_gc() (bsc#1223683).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2024-3319,SUSE-SLE-Module-Live-Patching-15-SP5-2024-3319",
        "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-2024_3319-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2024:3319-1",
        "url": "https://www.suse.com/support/update/announcement/2024/suse-su-20243319-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2024:3319-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2024-September/036960.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1223683",
        "url": "https://bugzilla.suse.com/1223683"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1225099",
        "url": "https://bugzilla.suse.com/1225099"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1228349",
        "url": "https://bugzilla.suse.com/1228349"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-52846 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-52846/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2024-26923 page",
        "url": "https://www.suse.com/security/cve/CVE-2024-26923/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2024-40909 page",
        "url": "https://www.suse.com/security/cve/CVE-2024-40909/"
      }
    ],
    "title": "Security update for the Linux Kernel RT (Live Patch 16 for SLE 15 SP5)",
    "tracking": {
      "current_release_date": "2024-09-18T20:33:32Z",
      "generator": {
        "date": "2024-09-18T20:33:32Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2024:3319-1",
      "initial_release_date": "2024-09-18T20:33:32Z",
      "revision_history": [
        {
          "date": "2024-09-18T20:33:32Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64",
                "product": {
                  "name": "kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64",
                  "product_id": "kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP5",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP5",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP5",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp5"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP5",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
        },
        "product_reference": "kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP5"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-52846",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-52846"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nhsr: Prevent use after free in prp_create_tagged_frame()\n\nThe prp_fill_rct() function can fail.  In that situation, it frees the\nskb and returns NULL.  Meanwhile on the success path, it returns the\noriginal skb.  So it\u0027s straight forward to fix bug by using the returned\nvalue.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-52846",
          "url": "https://www.suse.com/security/cve/CVE-2023-52846"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1225098 for CVE-2023-52846",
          "url": "https://bugzilla.suse.com/1225098"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1225099 for CVE-2023-52846",
          "url": "https://bugzilla.suse.com/1225099"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-09-18T20:33:32Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-52846"
    },
    {
      "cve": "CVE-2024-26923",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2024-26923"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Fix garbage collector racing against connect()\n\nGarbage collector does not take into account the risk of embryo getting\nenqueued during the garbage collection. If such embryo has a peer that\ncarries SCM_RIGHTS, two consecutive passes of scan_children() may see a\ndifferent set of children. Leading to an incorrectly elevated inflight\ncount, and then a dangling pointer within the gc_inflight_list.\n\nsockets are AF_UNIX/SOCK_STREAM\nS is an unconnected socket\nL is a listening in-flight socket bound to addr, not in fdtable\nV\u0027s fd will be passed via sendmsg(), gets inflight count bumped\n\nconnect(S, addr)\tsendmsg(S, [V]); close(V)\t__unix_gc()\n----------------\t-------------------------\t-----------\n\nNS = unix_create1()\nskb1 = sock_wmalloc(NS)\nL = unix_find_other(addr)\nunix_state_lock(L)\nunix_peer(S) = NS\n\t\t\t// V count=1 inflight=0\n\n \t\t\tNS = unix_peer(S)\n \t\t\tskb2 = sock_alloc()\n\t\t\tskb_queue_tail(NS, skb2[V])\n\n\t\t\t// V became in-flight\n\t\t\t// V count=2 inflight=1\n\n\t\t\tclose(V)\n\n\t\t\t// V count=1 inflight=1\n\t\t\t// GC candidate condition met\n\n\t\t\t\t\t\tfor u in gc_inflight_list:\n\t\t\t\t\t\t  if (total_refs == inflight_refs)\n\t\t\t\t\t\t    add u to gc_candidates\n\n\t\t\t\t\t\t// gc_candidates={L, V}\n\n\t\t\t\t\t\tfor u in gc_candidates:\n\t\t\t\t\t\t  scan_children(u, dec_inflight)\n\n\t\t\t\t\t\t// embryo (skb1) was not\n\t\t\t\t\t\t// reachable from L yet, so V\u0027s\n\t\t\t\t\t\t// inflight remains unchanged\n__skb_queue_tail(L, skb1)\nunix_state_unlock(L)\n\t\t\t\t\t\tfor u in gc_candidates:\n\t\t\t\t\t\t  if (u.inflight)\n\t\t\t\t\t\t    scan_children(u, inc_inflight_move_tail)\n\n\t\t\t\t\t\t// V count=1 inflight=2 (!)\n\nIf there is a GC-candidate listening socket, lock/unlock its state. This\nmakes GC wait until the end of any ongoing connect() to that socket. After\nflipping the lock, a possibly SCM-laden embryo is already enqueued. And if\nthere is another embryo coming, it can not possibly carry SCM_RIGHTS. At\nthis point, unix_inflight() can not happen because unix_gc_lock is already\ntaken. Inflight graph remains unaffected.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2024-26923",
          "url": "https://www.suse.com/security/cve/CVE-2024-26923"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1223384 for CVE-2024-26923",
          "url": "https://bugzilla.suse.com/1223384"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1223683 for CVE-2024-26923",
          "url": "https://bugzilla.suse.com/1223683"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-09-18T20:33:32Z",
          "details": "important"
        }
      ],
      "title": "CVE-2024-26923"
    },
    {
      "cve": "CVE-2024-40909",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2024-40909"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix a potential use-after-free in bpf_link_free()\n\nAfter commit 1a80dbcb2dba, bpf_link can be freed by\nlink-\u003eops-\u003edealloc_deferred, but the code still tests and uses\nlink-\u003eops-\u003edealloc afterward, which leads to a use-after-free as\nreported by syzbot. Actually, one of them should be sufficient, so\njust call one of them instead of both. Also add a WARN_ON() in case\nof any problematic implementation.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2024-40909",
          "url": "https://www.suse.com/security/cve/CVE-2024-40909"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1227798 for CVE-2024-40909",
          "url": "https://bugzilla.suse.com/1227798"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1228349 for CVE-2024-40909",
          "url": "https://bugzilla.suse.com/1228349"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.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 SP5:kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-09-18T20:33:32Z",
          "details": "important"
        }
      ],
      "title": "CVE-2024-40909"
    }
  ]
}


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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.
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  • 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.