This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2020-25656 →

DEBIAN-CVE-2020-25656

A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local us...

Original description

The description as published by the source.

A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 linux

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.6-1"}]}]

Debian:13 linux

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.6-1"}]}]

Debian:14 linux

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.6-1"}]}]

References

advisory security-tracker.debian.org