CVE-2026-43248
Description
In the Linux kernel, the following vulnerability has been resolved: vhost: move vdpa group bound check to vhost_vdpa Remove duplication by consolidating these here. This reduces the posibility of a parent driver missing them. While we're at it, fix a bug in vdpa_sim where a valid ASID can be assigned to a group equal to ngroups, causing an out of bound write.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 6.19.6-1 |
| debian | sid | fixed | 6.19.6-1 |
| debian | trixie | fixed | 6.12.85-1 |
| linux-kernel | affected | 6.12.75 | |
| windows | affected | |
References
- https://git.kernel.org/stable/c/406db68f9cb976a8ddfafd631197264f2307e9c9
- https://git.kernel.org/stable/c/7441d35d14d9a3d66d925d90cb73c75394e6d454
- https://git.kernel.org/stable/c/cd025c1e876b4e262e71398236a1550486a73ede
- https://git.kernel.org/stable/c/ddb57354634b6ba851b79da45f1de42c646f27d0
- https://www.suse.com/security/cve/CVE-2026-43248.html
- https://security-tracker.debian.org/tracker/CVE-2026-43248
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43248
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.