Bug 2482559 (CVE-2026-46197) - CVE-2026-46197 kernel: drm/amdkfd: validate SVM ioctl nattr against buffer size
Summary: CVE-2026-46197 kernel: drm/amdkfd: validate SVM ioctl nattr against buffer size
Keywords:
Status: NEW
Alias: CVE-2026-46197
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-28 11:03 UTC by OSIDB Bzimport
Modified: 2026-05-28 13:49 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-05-28 11:03:14 UTC 
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)
Comment 1 Keith Grant 2026-05-28 13:48:16 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026052831-CVE-2026-46197-2b7a@gregkh/T
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