In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14416
Reference (s):
- https://bugzilla.suse.com/show_bug.cgi?id=1162002
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954dd
- SUSE:openSUSE-SU-2020:0935
- URL: http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html