CVE-2021-26934

low
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
2.5

Description

An issue was discovered in the Linux kernel 4.18 through 5.10.16, as used by Xen. The backend allocation (aka be-alloc) mode of the drm_xen_front drivers was not meant to be a supported configuration, but this wasn't stated accordingly in its support status entry.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-26934

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-26934.html

OS impact

OSVersionStatusFixed in
arch archfixed5.11.1.arch1-1
suse slesaffected
debian debianbookwormaffected
debian debianbullseyeaffected
debian debianforkyaffected
debian debiansidaffected
debian debiantrixieaffected

References

Verify integrity in audit chain (admin only). AS-IS.