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 user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.

Date published : 2020-12-01

https://bugzilla.redhat.com/show_bug.cgi?id=1888726

https://lkml.org/lkml/2020/10/16/84