GHSA-M5RP-7QWW-6J53

Vulnerability from github – Published: 2026-08-28 09:31 – Updated: 2026-08-29 09:30
VLAI
Details

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

apparmor: fix potential UAF in aa_replace_profiles

The function aa_replace_profiles was accessing udata->size after calling aa_put_loaddata(udata), causing a potential UAF.

Fixed this by saving the size to a local variable before dropping the reference.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-80619"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T08:16:45Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix potential UAF in aa_replace_profiles\n\nThe function aa_replace_profiles was accessing udata-\u003esize after calling\naa_put_loaddata(udata), causing a potential UAF.\n\nFixed this by saving the size to a local variable before dropping the\nreference.",
  "id": "GHSA-m5rp-7qww-6j53",
  "modified": "2026-08-29T09:30:26Z",
  "published": "2026-08-28T09:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80619"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/57b1bd4486d56254bb8af1a8f3d4445bbe505290"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5cba148eae6e8550c2889f5c0f94d72bed864321"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7b42f95813dc9ceb6bda35afcf914630909a19f9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d37dc6376e336dc4b4f39a7ad0d069aa70e9495"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d8e47cbce7536f19c96e37d0685a042010187ee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0f3a3fda617beeec58708720304dd026a1a4dd7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c44de0880b7ccc15c70a6352b5e107677d32b061"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb"
    }
  ],
  "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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