suse-su-2025:03473-1
Vulnerability from csaf_suse
Published
2025-10-07 13:15
Modified
2025-10-07 13:15
Summary
Security update for the Linux Kernel RT (Live Patch 13 for SLE 15 SP6)

Notes

Title of the patch
Security update for the Linux Kernel RT (Live Patch 13 for SLE 15 SP6)
Description of the patch
This update for the Linux Kernel 6.4.0-150600_10_44 fixes one issue. The following security issue was fixed: - CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315).
Patchnames
SUSE-2025-3473,SUSE-SLE-Module-Live-Patching-15-SP6-2025-3473
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 13 for SLE 15 SP6)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 6.4.0-150600_10_44 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2025-3473,SUSE-SLE-Module-Live-Patching-15-SP6-2025-3473",
        "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_03473-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2025:03473-1",
        "url": "https://www.suse.com/support/update/announcement/2025/suse-su-202503473-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2025:03473-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2025-October/042016.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1247315",
        "url": "https://bugzilla.suse.com/1247315"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2025-38477 page",
        "url": "https://www.suse.com/security/cve/CVE-2025-38477/"
      }
    ],
    "title": "Security update for the Linux Kernel RT (Live Patch 13 for SLE 15 SP6)",
    "tracking": {
      "current_release_date": "2025-10-07T13:15:27Z",
      "generator": {
        "date": "2025-10-07T13:15:27Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2025:03473-1",
      "initial_release_date": "2025-10-07T13:15:27Z",
      "revision_history": [
        {
          "date": "2025-10-07T13:15:27Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.x86_64",
                "product": {
                  "name": "kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.x86_64",
                  "product_id": "kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP6",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP6",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP6",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp6"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP6",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP6:kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.x86_64"
        },
        "product_reference": "kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP6"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-38477",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-38477"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: sch_qfq: Fix race condition on qfq_aggregate\n\nA race condition can occur when \u0027agg\u0027 is modified in qfq_change_agg\n(called during qfq_enqueue) while other threads access it\nconcurrently. For example, qfq_dump_class may trigger a NULL\ndereference, and qfq_delete_class may cause a use-after-free.\n\nThis patch addresses the issue by:\n\n1. Moved qfq_destroy_class into the critical section.\n\n2. Added sch_tree_lock protection to qfq_dump_class and\nqfq_dump_class_stats.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP6:kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-38477",
          "url": "https://www.suse.com/security/cve/CVE-2025-38477"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1247314 for CVE-2025-38477",
          "url": "https://bugzilla.suse.com/1247314"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1247315 for CVE-2025-38477",
          "url": "https://bugzilla.suse.com/1247315"
        }
      ],
      "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 SP6:kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.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 15 SP6:kernel-livepatch-6_4_0-150600_10_44-rt-5-150600.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-10-07T13:15:27Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-38477"
    }
  ]
}


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