Vulnerabilities > CVE-2020-14416 - Use After Free vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
HIGH Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- https://bugzilla.suse.com/show_bug.cgi?id=1162002
- https://bugzilla.suse.com/show_bug.cgi?id=1162002
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16
- 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
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954dd