CVE-2021-26934: Fedoraproject Fedora

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Fedoraproject Fedora: version 32 only; version 33 only
• Linux Linux Kernel: from 4.18, up to and including 5.10.16

Published 2021-02-17. Last modified 2026-06-17.