CVE-2020-0543

high

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

8.0

Description

Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

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-2020-0543

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:3027

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-0543.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202006-10

OS impact

OS	Version	Status	Fixed in
arch		fixed	`20200609-1`
sles		affected
debian	bookworm	fixed	`3.20200609.1`
debian	bullseye	fixed	`3.20200609.1`
debian	forky	fixed	`3.20200609.1`
debian	sid	fixed	`3.20200609.1`
debian	trixie	fixed	`3.20200609.1`
rocky	8	fixed

References

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