RHSA-2021:0183 — Security Advisory

Red Hat Security Advisory: linux-firmware security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · January 19, 2021

Updated · November 22, 2025

Topic

An update for linux-firmware is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The linux-firmware packages contain all of the firmware files that are required by various devices to operate.

Security Fix(es):

  • hardware: buffer overflow in bluetooth firmware (CVE-2020-12321)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs

RHSA-2021:0183 — Red Hat Security Advisory: linux-firmware security update | PulseLinux