CVE-2026-46197

HIGH

drm/amdkfd: validate SVM ioctl nattr against buffer size

Title source: cna

Description

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)

References (7)

Core 7

Core References

https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21

https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61

https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52

https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc

https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631

https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3

https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1

Scores

CVSS v3 7.8

EPSS 0.0014

EPSS Percentile 3.5%

Attack Vector LOCAL

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

Details

CWE

CWE-787

Status published

Products (28)

Linux/Linux < 5.14

Linux/Linux < 6.12.90

Linux/Linux < 6.18.32

Linux/Linux < 6.6.140

Linux/Linux < 7.0.9

Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 045e0ff208f0838a246c10204105126611b267a1

Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 6abd3a4417cb73a7d0db7e25bf11fae1074bdba3

Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 91c6dc5a41695d02dfc6299f106ac38a6c493e52

Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - ccd060b5c7cc75ae7e211c250b97c5b6272e7efc

Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - db9530a9873a7c85d2266a922589ebcf427fa631

... and 18 more

Published May 28, 2026

Tracked Since May 28, 2026