CVE-2020-14416

MEDIUM4.2

In the Linux kernel before 5

Published Jun 18, 2020

Modified 1 years ago

Details

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

ADVISORY

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

ADVISORY

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

WEB

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

WEB

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

WEB

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

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2020-14416

CVSS Analysis

CVSS v3.1

4.2

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

HighPR:H

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedJun 18, 2020

ModifiedAug 4, 2024