HarborGuard / CVE
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HIGHCVE-2026-43248Published Modified CNA Linux

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

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.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
0
Affected Products
2

Fix available

0406db68f9cb976a8ddfafd631197264f2307e9c96.12.756.18.166.19.67.07441d35d14d9a3d66d925d90cb73c75394e6d454cd025c1e876b4e262e71398236a1550486a73ededdb57354634b6ba851b79da45f1de42c646f27d0
Affected packages
  • Linux / Linux
    < ddb57354634b6ba851b79da45f1de42c646f27d0 (from bda324fd037a6b0d44da5699574ce741ca161bc4) · < 7441d35d14d9a3d66d925d90cb73c75394e6d454 (from bda324fd037a6b0d44da5699574ce741ca161bc4) · < 406db68f9cb976a8ddfafd631197264f2307e9c9 (from bda324fd037a6b0d44da5699574ce741ca161bc4) · < cd025c1e876b4e262e71398236a1550486a73ede (from bda324fd037a6b0d44da5699574ce741ca161bc4)
  • Linux / Linux
    5.19
    Fixed in 0, 6.12.75, 6.18.16, 6.19.6, 7.0
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References