CVE-2026-46197

high
Published 2026-05-28 ยท Modified 2026-06-01
CVSS v3
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
7.8

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)

Predictions

Exploit likelihood
75%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker ยท View original โ†— ยท DFSG

CVE-2026-46197 NameCVE-2026-46197 DescriptionIn 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) SourceCVE (at NVD; CERT, ENISA, LWN,โ€ฆ

CVE-2026-46197

NameCVE-2026-46197
DescriptionIn 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)
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.257-1fixed
bookworm6.1.170-3vulnerable
bookworm (security)6.1.174-1vulnerable
trixie6.12.86-1vulnerable
trixie (security)6.12.90-2fixed
forky7.0.9-1fixed
sid7.0.10-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebullseye(not affected)
linuxsourcetrixie6.12.90-1
linuxsource(unstable)7.0.9-1

Notes

[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/045e0ff208f0838a246c10204105126611b267a1 (7.1-rc2)

Home - Debian Security - Source (Git)

Apply commands

text fix
Notes
[bullseye] - linux <not-affected> (Vulnerable code not present)https://git.kernel.org/linus/045e0ff208f0838a246c10204105126611b267a1 (7.1-rc2)

OS impact

suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
windows Windows Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
debian Debian Mixed 5 releases
VersionStatusFixed in
trixie Fixed 6.12.90-1
sid Fixed 7.0.9-1
forky Fixed 7.0.9-1
bullseye Fixed 0
bookworm Affected โ€”

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.