CVE-2020-14416

medium

Description

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.

References

Advisories
More

https://bugzilla.suse.com/show_bug.cgi?id=1162002

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954dd

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-6555

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16

Details

Source: Mitre, NVD

Published: 2020-06-18

Updated: 2026-10-08

Risk Information

CVSS v2

Base Score: 4.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 4.2

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H