CVE-2020-12657

unknown
Published — · Modified —
CVSS v3
CVSS v2
VIR risk

Description

An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body.

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-2020-12657

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-12657.html

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed5.6.7-1
debian debianbullseyefixed5.6.7-1
debian debianforkyfixed5.6.7-1
debian debiansidfixed5.6.7-1
debian debiantrixiefixed5.6.7-1

References

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