CVE-2021-47431 (GCVE-0-2021-47431)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:04 – Updated: 2026-05-11 13:54
VLAI
Title
drm/amdgpu: fix gart.bo pin_count leak
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (git)
Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 621ddffb70db824eabd63d18ac635180fe9500f9 (git)
Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 18d1c5ea3798ba42cfa0f8b2264d873463facb03 (git)
Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 66805763a97f8f7bdf742fc0851d85c02ed9411f (git)
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Linux Linux Affected: 4.2
Unaffected: 0 , < 4.2 (semver)
Unaffected: 5.4.154 , ≤ 5.4.* (semver)
Unaffected: 5.10.74 , ≤ 5.10.* (semver)
Unaffected: 5.14.13 , ≤ 5.14.* (semver)
Unaffected: 5.15 , ≤ * (original_commit_for_fix)
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      "cveMetadata": "{\"cveId\": \"CVE-2021-47431\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T13:54:34.234Z\", \"dateReserved\": \"2024-05-21T14:58:30.829Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:04:16.014Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.