Red Hat 9062 Published by

A kernel security and bug fix update has been released for Red Hat Enterprise Linux 7.



RHSA-2022:0063-06: Moderate: kernel security and bug fix update



=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: kernel security and bug fix update
Advisory ID: RHSA-2022:0063-01
Product: Red Hat Enterprise Linux
Advisory URL:   https://access.redhat.com/errata/RHSA-2022:0063
Issue date: 2022-01-11
CVE Names: CVE-2020-25704 CVE-2020-36322 CVE-2021-42739
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* kernel: perf_event_parse_addr_filter memory (CVE-2020-25704)

* kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate
situations (CVE-2020-36322)

* kernel: Heap buffer overflow in firedtv driver (CVE-2021-42739)

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.

Bug Fix(es):

* A gfs2 withdrawal occurs function = gfs2_setbit, file = fs/gfs2/rgrp.c,
line = 109 (BZ#1364234)

* i40e SR-IOV TX driver issue detected on VF 7 - VF connectivity loose
after VF down/up (BZ#1977246)

* duplicate ACK not sent when expected (BZ#1990665)

* [kernel-debug] BUG: bad unlock balance detected! when running LTP
read_all (BZ#2006536)

* Rudimentary support for AMD Milan - Call init_amd_zn() om Family 19h
processors (BZ#2019218)

* A VM with