CVE-2021-3981

low

Published 2022-05-10 · Modified 2022-05-10

CVSS v3

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CVSS v2

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VIR risk

2.5

Description

Low: grub2 security, bug fix, and enhancement update

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2022-2110.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3981

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2022:2110

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3981.html

OS	Version	Status	Fixed in
sles		affected
rocky	8	fixed
debian	bookworm	fixed	`2.06-8`
debian	bullseye	affected
debian	forky	fixed	`2.06-8`
debian	sid	fixed	`2.06-8`
debian	trixie	fixed	`2.06-8`

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