CVE-2026-43248
HIGH severity · CVSS 7.8 · Out-of-bounds write
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/406db68f9cb976a8ddfafd631197264f2307e9c9 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/406db68f9cb976a8ddfafd631197264f2307e9c9Patch
- https://git.kernel.org/stable/c/7441d35d14d9a3d66d925d90cb73c75394e6d454Patch
- https://git.kernel.org/stable/c/cd025c1e876b4e262e71398236a1550486a73edePatch
- https://git.kernel.org/stable/c/ddb57354634b6ba851b79da45f1de42c646f27d0Patch
- https://git.kernel.org/stable/c/566899af053246406f2faf931044d2b0af8f34d2
- https://git.kernel.org/stable/c/69ec8dd6696069c2f18430d0e05f81d604484ee8