CVE-2021-20257

low

Published 2021-12-21 · Modified 2021-12-21

CVSS v3

—

CVSS v2

—

VIR risk

2.5

Description

Low: virt:rhel and virt-devel:rhel security update

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2021-5238.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-20257

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:5238

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-20257.html

OS	Version	Status	Fixed in
sles		affected
rocky	8	fixed
debian	bookworm	fixed	`1:5.2+dfsg-9`
debian	bullseye	fixed	`1:5.2+dfsg-9`
debian	forky	fixed	`1:5.2+dfsg-9`
debian	sid	fixed	`1:5.2+dfsg-9`
debian	trixie	fixed	`1:5.2+dfsg-9`

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