ghsa-jgpx-8fg9-hh7j
Vulnerability from github
Published
2024-09-13 15:31
Modified
2025-11-04 00:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

perf/aux: Fix AUX buffer serialization

Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer, add a per RB mutex to fully serialize it.

Note that in the lock order comment the perf_event::mmap_mutex order was already wrong, that is, it nesting under mmap_lock is not new with this patch.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-46713"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-09-13T15:15:15Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/aux: Fix AUX buffer serialization\n\nOle reported that event-\u003emmap_mutex is strictly insufficient to\nserialize the AUX buffer, add a per RB mutex to fully serialize it.\n\nNote that in the lock order comment the perf_event::mmap_mutex order\nwas already wrong, that is, it nesting under mmap_lock is not new with\nthis patch.",
  "id": "GHSA-jgpx-8fg9-hh7j",
  "modified": "2025-11-04T00:31:25Z",
  "published": "2024-09-13T15:31:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-46713"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2ab9d830262c132ab5db2f571003d80850d56b2a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/52d13d224fdf1299c8b642807fa1ea14d693f5ff"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7882923f1cb88dc1a17f2bf0c81b1fc80d44db82"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9dc7ad2b67772cfb94ceb3b0c9c4023c2463215d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b9b6882e243b653d379abbeaa64a500182aba370"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4b69bee3f4ef76809288fe6827bc14d4ae788ef"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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