CVE-2020-25669

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

Description

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

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-2020-25669

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-25669.html

OS impact

OSVersionStatusFixed in
arch archfixed5.9.10.arch1-1
suse slesaffected
debian debianbookwormfixed5.9.11-1
debian debianbullseyefixed5.9.11-1
debian debianforkyfixed5.9.11-1
debian debiansidfixed5.9.11-1
debian debiantrixiefixed5.9.11-1

References

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