High 7.8Published May 6, 2026

CVE-2026-43248vhost: move vdpa group bound check to vhost_vdpa

Updated under an hour ago (Oct 27, 2026, 3:20 PM ET)

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Exploited in the last 30 days

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: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from bda324fd037a6b0d44da5699574ce741ca161bc4 before 566899af053246406f2faf931044d2b0af8f34d2; from bda324fd037a6b0d44da5699574ce741ca161bc4 before ddb57354634b6ba851b79da45f1de42c646f27d0; from bda324fd037a6b0d44da5699574ce741ca161bc4 before 7441d35d14d9a3d66d925d90cb73c75394e6d454; from bda324fd037a6b0d44da5699574ce741ca161bc4 before 406db68f9cb976a8ddfafd631197264f2307e9c9; from bda324fd037a6b0d44da5699574ce741ca161bc4 before cd025c1e876b4e262e71398236a1550486a73ede	CNA record
linux linux_kernel linux:linux_kernel	from 5.19 before 6.12.75; from 6.13 before 6.18.16; from 6.19 before 6.19.6	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.