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=====================================================================
                   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 <=8 CPUs handles all the Mellanox NIC interrupts on CPU0 only,
causing low performance (BZ#2019272)

* fix _PSD override quirk for AMD family 19h+ (BZ#2019588)

* generic_file_aio_read returns 0 when interrupted early with a fatal
signal (BZ#2020857)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1895961 - CVE-2020-25704 kernel: perf_event_parse_addr_filter memory
1949560 - CVE-2020-36322 kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations
1951739 - CVE-2021-42739 kernel: Heap buffer overflow in firedtv driver
2020857 - generic_file_aio_read returns 0 when interrupted early with a fatal signal [rhel-7.9.z]

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
kernel-3.10.0-1160.53.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1160.53.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.53.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1160.53.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.53.1.el7.x86_64.rpm
perf-3.10.0-1160.53.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.53.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
kernel-3.10.0-1160.53.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1160.53.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.53.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1160.53.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.53.1.el7.x86_64.rpm
perf-3.10.0-1160.53.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.53.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
kernel-3.10.0-1160.53.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1160.53.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.53.1.el7.noarch.rpm

ppc64:
bpftool-3.10.0-1160.53.1.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-debug-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-devel-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-headers-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-tools-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1160.53.1.el7.ppc64.rpm
perf-3.10.0-1160.53.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
python-perf-3.10.0-1160.53.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm

ppc64le:
bpftool-3.10.0-1160.53.1.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-debug-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-devel-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-headers-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-tools-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1160.53.1.el7.ppc64le.rpm
perf-3.10.0-1160.53.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
python-perf-3.10.0-1160.53.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm

s390x:
bpftool-3.10.0-1160.53.1.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
kernel-3.10.0-1160.53.1.el7.s390x.rpm
kernel-debug-3.10.0-1160.53.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-1160.53.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1160.53.1.el7.s390x.rpm
kernel-devel-3.10.0-1160.53.1.el7.s390x.rpm
kernel-headers-3.10.0-1160.53.1.el7.s390x.rpm
kernel-kdump-3.10.0-1160.53.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1160.53.1.el7.s390x.rpm
perf-3.10.0-1160.53.1.el7.s390x.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
python-perf-3.10.0-1160.53.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm

x86_64:
bpftool-3.10.0-1160.53.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.53.1.el7.x86_64.rpm
perf-3.10.0-1160.53.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
bpftool-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1160.53.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm

ppc64le:
bpftool-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1160.53.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm

x86_64:
bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.53.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
kernel-3.10.0-1160.53.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1160.53.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.53.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1160.53.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.53.1.el7.x86_64.rpm
perf-3.10.0-1160.53.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.53.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-25704
https://access.redhat.com/security/cve/CVE-2020-36322
https://access.redhat.com/security/cve/CVE-2021-42739
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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