CVE-2018-3620

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access via a terminal page fault and a side-channel analysis.

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-2018-3620

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-3620.html

OS impact

OSVersionStatusFixed in
arch archfixed4.14.63-1
suse slesaffected
debian debianbookwormfixed3.20180703.1
debian debianbullseyefixed3.20180703.1
debian debianforkyfixed3.20180703.1
debian debiansidfixed3.20180703.1
debian debiantrixiefixed3.20180703.1

References

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