suse-su-2025:3684-1
Vulnerability from csaf_suse
Published
2025-10-20 18:03
Modified
2025-10-20 18:03
Summary
Security update for the Linux Kernel (Live Patch 72 for SLE 12 SP5)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 72 for SLE 12 SP5)
Description of the patch
This update for the Linux Kernel 4.12.14-122_272 fixes one issue. The following security issue was fixed: - CVE-2022-50386: Bluetooth: L2CAP: Fix user-after-free (bsc#1250302).
Patchnames
SUSE-2025-3684,SUSE-SLE-Live-Patching-12-SP5-2025-3684
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 72 for SLE 12 SP5)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 4.12.14-122_272 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2022-50386: Bluetooth: L2CAP: Fix user-after-free (bsc#1250302).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2025-3684,SUSE-SLE-Live-Patching-12-SP5-2025-3684",
        "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-2025_3684-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2025:3684-1",
        "url": "https://www.suse.com/support/update/announcement/2025/suse-su-20253684-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2025:3684-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2025-October/042222.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1250302",
        "url": "https://bugzilla.suse.com/1250302"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2022-50386 page",
        "url": "https://www.suse.com/security/cve/CVE-2022-50386/"
      }
    ],
    "title": "Security update for the Linux Kernel (Live Patch 72 for SLE 12 SP5)",
    "tracking": {
      "current_release_date": "2025-10-20T18:03:48Z",
      "generator": {
        "date": "2025-10-20T18:03:48Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2025:3684-1",
      "initial_release_date": "2025-10-20T18:03:48Z",
      "revision_history": [
        {
          "date": "2025-10-20T18:03:48Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kgraft-patch-4_12_14-122_272-default-2-2.1.ppc64le",
                "product": {
                  "name": "kgraft-patch-4_12_14-122_272-default-2-2.1.ppc64le",
                  "product_id": "kgraft-patch-4_12_14-122_272-default-2-2.1.ppc64le"
                }
              }
            ],
            "category": "architecture",
            "name": "ppc64le"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kgraft-patch-4_12_14-122_272-default-2-2.1.s390x",
                "product": {
                  "name": "kgraft-patch-4_12_14-122_272-default-2-2.1.s390x",
                  "product_id": "kgraft-patch-4_12_14-122_272-default-2-2.1.s390x"
                }
              }
            ],
            "category": "architecture",
            "name": "s390x"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kgraft-patch-4_12_14-122_272-default-2-2.1.x86_64",
                "product": {
                  "name": "kgraft-patch-4_12_14-122_272-default-2-2.1.x86_64",
                  "product_id": "kgraft-patch-4_12_14-122_272-default-2-2.1.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_272-default-2-2.1.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_272-default-2-2.1.ppc64le"
        },
        "product_reference": "kgraft-patch-4_12_14-122_272-default-2-2.1.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_272-default-2-2.1.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_272-default-2-2.1.s390x"
        },
        "product_reference": "kgraft-patch-4_12_14-122_272-default-2-2.1.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_272-default-2-2.1.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_272-default-2-2.1.x86_64"
        },
        "product_reference": "kgraft-patch-4_12_14-122_272-default-2-2.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 12 SP5"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-50386",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2022-50386"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix user-after-free\n\nThis uses l2cap_chan_hold_unless_zero() after calling\n__l2cap_get_chan_blah() to prevent the following trace:\n\nBluetooth: l2cap_core.c:static void l2cap_chan_destroy(struct kref\n*kref)\nBluetooth: chan 0000000023c4974d\nBluetooth: parent 00000000ae861c08\n==================================================================\nBUG: KASAN: use-after-free in __mutex_waiter_is_first\nkernel/locking/mutex.c:191 [inline]\nBUG: KASAN: use-after-free in __mutex_lock_common\nkernel/locking/mutex.c:671 [inline]\nBUG: KASAN: use-after-free in __mutex_lock+0x278/0x400\nkernel/locking/mutex.c:729\nRead of size 8 at addr ffff888006a49b08 by task kworker/u3:2/389",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1.s390x",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2022-50386",
          "url": "https://www.suse.com/security/cve/CVE-2022-50386"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1250301 for CVE-2022-50386",
          "url": "https://bugzilla.suse.com/1250301"
        }
      ],
      "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_272-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1.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 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-10-20T18:03:48Z",
          "details": "important"
        }
      ],
      "title": "CVE-2022-50386"
    }
  ]
}


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