CVE-2026-46197 (GCVE-0-2026-46197)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:40 – Updated: 2026-05-28 09:40
VLAI
Title
drm/amdkfd: validate SVM ioctl nattr against buffer size
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)
Severity
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 91c6dc5a41695d02dfc6299f106ac38a6c493e52 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ccd060b5c7cc75ae7e211c250b97c5b6272e7efc (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < db9530a9873a7c85d2266a922589ebcf427fa631 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6abd3a4417cb73a7d0db7e25bf11fae1074bdba3 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 045e0ff208f0838a246c10204105126611b267a1 (git)
Affected: 0 , < 6.6.140 (semver)
Affected: 0 , < 6.12.90 (semver)
Affected: 0 , < 6.18.32 (semver)
Affected: 0 , < 7.0.9 (semver)
Create a notification for this product.
Linux Linux Unaffected: 6.6.140 , ≤ 6.6.* (semver)
Unaffected: 6.12.90 , ≤ 6.12.* (semver)
Unaffected: 6.18.32 , ≤ 6.18.* (semver)
Unaffected: 7.0.9 , ≤ 7.0.* (semver)
Unaffected: 7.1-rc2 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website

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            "drivers/gpu/drm/amd/amdkfd/kfd_chardev.c",
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    "dateReserved": "2026-05-13T15:03:33.104Z",
    "dateUpdated": "2026-05-28T09:40:13.722Z",
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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.

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.
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  • 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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