RHSA-2021:0339 — Security Advisory
Red Hat Security Advisory: linux-firmware security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · February 2, 2021
Updated · November 22, 2025
Topic
An update for linux-firmware is now available for Red Hat Enterprise Linux 7.
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.