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CVE-2026-46197

drm/amdkfd: validate SVM ioctl nattr against buffer size

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.209, 6.1.175, 6.6.140, 6.12.90, 6.18.32, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

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)

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 42de677f79999791bee4e21be318c32d90ab62c6 · fixed in daa8bc5f83814b55b71d2b5b3a090d57a5219c21; From 42de677f79999791bee4e21be318c32d90ab62c6 · fixed in fb07a0c9c8419164812e07274947f11b1d92dd61; From 42de677f79999791bee4e21be318c32d90ab62c6 · fixed in 91c6dc5a41695d02dfc6299f106ac38a6c493e52; From 42de677f79999791bee4e21be318c32d90ab62c6 · fixed in ccd060b5c7cc75ae7e211c250b97c5b6272e7efc; From 42de677f79999791bee4e21be318c32d90ab62c6 · fixed in db9530a9873a7c85d2266a922589ebcf427fa631; From 42de677f79999791bee4e21be318c32d90ab62c6 · fixed in 6abd3a4417cb73a7d0db7e25bf11fae1074bdba3; From 42de677f79999791bee4e21be318c32d90ab62c6 · fixed in 045e0ff208f0838a246c10204105126611b267a1

  • Linux Linux

    5.14

  • KernelLinux

    From 5.14.0 · fixed in 5.15.209; From 5.16.0 · fixed in 6.1.175; From 6.2.0 · fixed in 6.6.140; From 6.7.0 · fixed in 6.12.90; From 6.13.0 · fixed in 6.18.32; From 6.19.0 · fixed in 7.0.9

References 7

git.kernel.org