CVE-2026-43370 (GCVE-0-2026-43370)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-09 04:10
VLAI?
Title
drm/amdgpu: Fix use-after-free race in VM acquire
Summary
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 ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: ede0dd86f45adf2b7083bb161f6bc81da5fe2bad , < ae87aea330c24f462fc7058ed543ba8bc6798447 (git)
Affected: ede0dd86f45adf2b7083bb161f6bc81da5fe2bad , < 46d309996bd9251792d7dafdbaf615cf202b4447 (git)
Affected: ede0dd86f45adf2b7083bb161f6bc81da5fe2bad , < e61e355cbe49e585097eee28c15b862bfb1c0668 (git)
Affected: ede0dd86f45adf2b7083bb161f6bc81da5fe2bad , < c658c1c85ec235b7ecfbf8dbfee385b1332088f4 (git)
Affected: ede0dd86f45adf2b7083bb161f6bc81da5fe2bad , < 904025fa8bba1d028adade33346372b4ac1a9249 (git)
Affected: ede0dd86f45adf2b7083bb161f6bc81da5fe2bad , < 7885eb335d8f9e9942925d57e300a85e3f82ded4 (git)
Affected: ede0dd86f45adf2b7083bb161f6bc81da5fe2bad , < 94b7782d0c8024f5b88454241c8d4777076c3786 (git)
Affected: ede0dd86f45adf2b7083bb161f6bc81da5fe2bad , < 2c1030f2e84885cc58bffef6af67d5b9d2e7098f (git)
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    Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 5.10.253 , ≤ 5.10.* (semver)
Unaffected: 5.15.203 , ≤ 5.15.* (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.78 , ≤ 6.12.* (semver)
Unaffected: 6.18.19 , ≤ 6.18.* (semver)
Unaffected: 6.19.9 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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{
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          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c"
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              "status": "unaffected",
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              "versionType": "original_commit_for_fix"
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      "providerMetadata": {
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    "dateReserved": "2026-05-01T14:12:56.006Z",
    "dateUpdated": "2026-05-09T04:10:42.009Z",
    "state": "PUBLISHED"
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  }
}


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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.

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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.



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