CVE-2020-27673

low
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
2.5

Description

An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271.

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-2020-27673

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-27673.html

OS impact

OSVersionStatusFixed in
arch archfixed5.9.2.arch1-1
suse slesaffected
debian debianbookwormfixed5.9.6-1
debian debianbullseyefixed5.9.6-1
debian debianforkyfixed5.9.6-1
debian debiansidfixed5.9.6-1
debian debiantrixiefixed5.9.6-1

References

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