CVE-2026-46197

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)

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)

CWEs

CWE-787, CWE-120

Published

2026-05-28

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1
• https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3
• https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52
• https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc
• https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21

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