CVE-2026-43248

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.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-25)

CWE

CWE-787

Published

2026-05-06

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/406db68f9cb976a8ddfafd631197264f2307e9c9
• https://git.kernel.org/stable/c/566899af053246406f2faf931044d2b0af8f34d2
• https://git.kernel.org/stable/c/7441d35d14d9a3d66d925d90cb73c75394e6d454
• https://git.kernel.org/stable/c/cd025c1e876b4e262e71398236a1550486a73ede
• https://git.kernel.org/stable/c/ddb57354634b6ba851b79da45f1de42c646f27d0

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