SUSE-SU-2025:03479-1

Vulnerability from csaf_suse - Published: 2025-10-07 16:36 - Updated: 2025-10-07 16:36
Summary
Security update for the Linux Kernel RT (Live Patch 2 for SLE 15 SP7)

Notes

Title of the patch
Security update for the Linux Kernel RT (Live Patch 2 for SLE 15 SP7)
Description of the patch
This update for the Linux Kernel 6.4.0-150700_7_8 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-2025-3479,SUSE-SLE-Module-Live-Patching-15-SP7-2025-3479
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 2 for SLE 15 SP7)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 6.4.0-150700_7_8 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-2025-3479,SUSE-SLE-Module-Live-Patching-15-SP7-2025-3479",
        "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_03479-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2025:03479-1",
        "url": "https://www.suse.com/support/update/announcement/2025/suse-su-202503479-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2025:03479-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2025-October/042021.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 2 for SLE 15 SP7)",
    "tracking": {
      "current_release_date": "2025-10-07T16:36:03Z",
      "generator": {
        "date": "2025-10-07T16:36:03Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2025:03479-1",
      "initial_release_date": "2025-10-07T16:36:03Z",
      "revision_history": [
        {
          "date": "2025-10-07T16:36:03Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64",
                "product": {
                  "name": "kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64",
                  "product_id": "kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP7",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP7",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP7",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp7"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP7",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64"
        },
        "product_reference": "kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP7"
      }
    ]
  },
  "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 SP7:kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.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 SP7:kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.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 SP7:kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-10-07T16:36:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-38477"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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