RHSA-2020:4279 — Security Advisory

Red Hat Security Advisory: kernel-alt security update

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Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · October 20, 2020

Updated · November 2, 2026

Topic

An update for kernel-alt 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 kernel-alt packages provide the Linux kernel version 4.x.

Security Fix(es):

kernel: net: bluetooth: type confusion while processing AMP packets (CVE-2020-12351)
kernel: net: bluetooth: information leak when processing certain AMP packets (CVE-2020-12352)
kernel: information exposure in drivers/char/random.c and kernel/time/timer.c (CVE-2020-16166)
kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)

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.