CVE-2020-14416

MEDIUM

Linux Kernel < 5.4.16 - Use-After-Free via tty->disc_data Race Condition

Title source: llm
STIX 2.1

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 (5)

Core 5
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.suse.com/show_bug.cgi?id=1162002
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html

Scores

CVSS v3 4.2
EPSS 0.0009
EPSS Percentile 25.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-362 CWE-416
Status published
Products (3)
linux/linux_kernel < 5.4.16
opensuse/leap 15.1
opensuse/leap 15.2
Published Jun 18, 2020
Tracked Since Feb 18, 2026