CVE-2026-46197
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
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
CVE-2026-46197 NameCVE-2026-46197 Descriptiondrm/amdkfd: validate SVM ioctl nattr against buffer size 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 linuxβ¦
CVE-2026-46197
| Name | CVE-2026-46197 |
| Description | drm/amdkfd: validate SVM ioctl nattr against buffer size |
| Source | CVE (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 Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | vulnerable |
| bullseye (security) | 5.10.257-1 | vulnerable | |
| bookworm | 6.1.170-3 | vulnerable | |
| bookworm (security) | 6.1.172-1 | vulnerable | |
| trixie | 6.12.86-1 | vulnerable | |
| trixie (security) | 6.12.90-1 | fixed | |
| forky | 7.0.9-1 | fixed | |
| sid | 7.0.10-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | trixie | 6.12.90-1 | |||
| linux | source | (unstable) | 7.0.9-1 |
Notes
https://git.kernel.org/linus/045e0ff208f0838a246c10204105126611b267a1 (7.1-rc2)
Apply commands
https://git.kernel.org/linus/045e0ff208f0838a246c10204105126611b267a1 (7.1-rc2)
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 7.0.9-1 |
| debian | sid | fixed | 7.0.9-1 |
| debian | trixie | fixed | 6.12.90-1 |
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/db9530a9873a7c85d2266a922589ebcf427fa631
- https://security-tracker.debian.org/tracker/CVE-2026-46197
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.