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Fixed

LIN1021-1787 : Security Advisory - linux - CVE-2021-42739

Created: Oct 20, 2021 Updated: May 13, 2022

Resolved Date: Nov 15, 2021

Found In Version: 10.21.20.1

Fix Version: 10.21.20.7

Severity: Standard

Applicable for: Wind River Linux LTS 21

Component/s: Kernel

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.

CREATE(Triage):(User=admin) CVE-2021-42739 (https://nvd.nist.gov/vuln/detail/CVE-2021-42739)

CVEs

CVE-2021-42739