suse-su-2025:03572-1
Vulnerability from csaf_suse
Published
2025-10-12 13:33
Modified
2025-10-12 13:33
Summary
Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP7)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP7)
Description of the patch
This update for the Linux Kernel 6.4.0-150700_53_3 fixes several issues. The following security issues were fixed: - CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315). - CVE-2025-38089: sunrpc: handle SVC_GARBAGE during svc auth processing as auth error (bsc#1245509).
Patchnames
SUSE-2025-3572,SUSE-2025-3573,SUSE-SLE-Module-Live-Patching-15-SP6-2025-3572,SUSE-SLE-Module-Live-Patching-15-SP7-2025-3574
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 

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  "vulnerabilities": [
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2025-38089"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsunrpc: handle SVC_GARBAGE during svc auth processing as auth error\n\ntianshuo han reported a remotely-triggerable crash if the client sends a\nkernel RPC server a specially crafted packet. If decoding the RPC reply\nfails in such a way that SVC_GARBAGE is returned without setting the\nrq_accept_statp pointer, then that pointer can be dereferenced and a\nvalue stored there.\n\nIf it\u0027s the first time the thread has processed an RPC, then that\npointer will be set to NULL and the kernel will crash. In other cases,\nit could create a memory scribble.\n\nThe server sunrpc code treats a SVC_GARBAGE return from svc_authenticate\nor pg_authenticate as if it should send a GARBAGE_ARGS reply. RFC 5531\nsays that if authentication fails that the RPC should be rejected\ninstead with a status of AUTH_ERR.\n\nHandle a SVC_GARBAGE return as an AUTH_ERROR, with a reason of\nAUTH_BADCRED instead of returning GARBAGE_ARGS in that case. This\nsidesteps the whole problem of touching the rpc_accept_statp pointer in\nthis situation and avoids the crash.",
          "title": "CVE description"
        }
      ],
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          "SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_53_3-default-5-150700.2.1.ppc64le",
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          "summary": "CVE-2025-38089",
          "url": "https://www.suse.com/security/cve/CVE-2025-38089"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1245508 for CVE-2025-38089",
          "url": "https://bugzilla.suse.com/1245508"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1245509 for CVE-2025-38089",
          "url": "https://bugzilla.suse.com/1245509"
        }
      ],
      "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": [
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      "scores": [
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          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          "date": "2025-10-12T13:33:30Z",
          "details": "important"
        }
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      "title": "CVE-2025-38089"
    },
    {
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          "text": "https://www.suse.com/security/cve/CVE-2025-38477"
        }
      ],
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        {
          "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"
        }
      ],
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          "summary": "CVE-2025-38477",
          "url": "https://www.suse.com/security/cve/CVE-2025-38477"
        },
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          "summary": "SUSE Bug 1247314 for CVE-2025-38477",
          "url": "https://bugzilla.suse.com/1247314"
        },
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        }
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          "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_23_47-default-7-150600.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP6:kernel-livepatch-6_4_0-150600_23_47-default-7-150600.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP6:kernel-livepatch-6_4_0-150600_23_47-default-7-150600.2.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_53_3-default-5-150700.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_53_3-default-5-150700.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_53_3-default-5-150700.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-10-12T13:33:30Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-38477"
    }
  ]
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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