CVE-2020-14416

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.

CVSS 3.1

4.2CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-25)

CWEs

CWE-362, CWE-416

Published

2020-06-18

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel
• opensuse:leap

References

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
• 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

Check your stackJSON