GHSA-F593-X5JJ-V2PG

Vulnerability from github – Published: 2026-05-08 15:31 – Updated: 2026-05-11 09:30
VLAI
Details

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

drm/amdgpu: Fix use-after-free race in VM acquire

Replace non-atomic vm->process_info assignment with cmpxchg() to prevent race when parent/child processes sharing a drm_file both try to acquire the same VM after fork().

(cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)

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-2026-43370"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-08T15:16:48Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix use-after-free race in VM acquire\n\nReplace non-atomic vm-\u003eprocess_info assignment with cmpxchg()\nto prevent race when parent/child processes sharing a drm_file\nboth try to acquire the same VM after fork().\n\n(cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)",
  "id": "GHSA-f593-x5jj-v2pg",
  "modified": "2026-05-11T09:30:30Z",
  "published": "2026-05-08T15:31:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43370"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2c1030f2e84885cc58bffef6af67d5b9d2e7098f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46d309996bd9251792d7dafdbaf615cf202b4447"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7885eb335d8f9e9942925d57e300a85e3f82ded4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/904025fa8bba1d028adade33346372b4ac1a9249"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/94b7782d0c8024f5b88454241c8d4777076c3786"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ae87aea330c24f462fc7058ed543ba8bc6798447"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c658c1c85ec235b7ecfbf8dbfee385b1332088f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e61e355cbe49e585097eee28c15b862bfb1c0668"
    }
  ],
  "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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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • 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.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.


Detection rules are retrieved from Rulezet.