CVE-2021-42739

medium

Description

The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.

References

https://www.starwindsoftware.com/security/sw-20220804-0001/

https://www.oracle.com/security-alerts/cpujul2022.html

https://seclists.org/oss-sec/2021/q2/46

https://lore.kernel.org/linux-media/YHaulytonFcW+lyZ%40mwanda/

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e

https://bugzilla.redhat.com/show_bug.cgi?id=1951739

Details

Source: Mitre, NVD

Published: 2021-10-20

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 4.6

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

Severity: Medium

CVSS v3

Base Score: 6.7

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H