ghsa-rvg2-pv9x-xxhg
Vulnerability from github
Published
2025-04-01 18:30
Modified
2025-11-03 21:33
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:

drm/amd/display: Fix slab-use-after-free on hdcp_work

[Why] A slab-use-after-free is reported when HDCP is destroyed but the property_validate_dwork queue is still running.

[How] Cancel the delayed work when destroying workqueue.

(cherry picked from commit 725a04ba5a95e89c89633d4322430cfbca7ce128)

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{
  "affected": [],
  "aliases": [
    "CVE-2025-21968"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-01T16:15:28Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix slab-use-after-free on hdcp_work\n\n[Why]\nA slab-use-after-free is reported when HDCP is destroyed but the\nproperty_validate_dwork queue is still running.\n\n[How]\nCancel the delayed work when destroying workqueue.\n\n(cherry picked from commit 725a04ba5a95e89c89633d4322430cfbca7ce128)",
  "id": "GHSA-rvg2-pv9x-xxhg",
  "modified": "2025-11-03T21:33:26Z",
  "published": "2025-04-01T18:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21968"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06acfdef370ae018dad9592369e2d2fd9a40c09e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1397715b011bcdc6ad91b17df7acaee301e89db5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/378b361e2e30e9729f9a7676f7926868d14f4326"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4964dbc4191ab436877a5e3ecd9c67a4e50b7c36"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/93d701064e56788663d7c5918fbe5e060d5df587"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bac7b8b1a3f1a86eeec85835af106cbdc2b9d9f7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e65e7bea220c3ce8c4c793b4ba35557f4994ab2b"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.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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