CVE-2020-27784

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

Description

A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_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-2020-27784

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-27784.html

OS impact

OSVersionStatusFixed in
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.