-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2021:4650-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4650
Issue date:        2021-11-15
CVE Names:         CVE-2021-20317 CVE-2021-28950 CVE-2021-43267 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.4
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.

2. Relevant releases/architectures:

Red Hat CodeReady Linux Builder EUS (v. 8.4) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.8.4) - aarch64, noarch, ppc64le, s390x,
 x86_64

3. Description:

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

Security Fix(es):

* kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO
message type (CVE-2021-43267)

* kernel: timer tree corruption leads to missing wakeup and system freeze
(CVE-2021-20317)

* kernel: fuse: stall on CPU can occur because a retry loop continually
finds the same bad inode (CVE-2021-28950)

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):

* Fix repeated xhci wake after suspend due to uncleared internal wake state
(BZ#2003789)

* CephFS mount points return "permission denied" (BZ#2017099)

Enhancement(s):

* Update qla2xxx driver to latest upstream (BZ#2014150)

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/):

1941762 - CVE-2021-28950 kernel: fuse: stall on CPU can occur because a retry
 loop continually finds the same bad inode
2005258 - CVE-2021-20317 kernel: timer tree corruption leads to missing wakeup
 and system freeze
2020362 - CVE-2021-43267 kernel: Insufficient validation of user-supplied sizes
 for the MSG_CRYPTO message type

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v.8.4):

Source:
kernel-4.18.0-305.28.1.el8_4.src.rpm

aarch64:
bpftool-4.18.0-305.28.1.el8_4.aarch64.rpm
bpftool-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-core-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-cross-headers-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debug-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debug-core-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debug-devel-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debug-modules-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debug-modules-extra-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-devel-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-headers-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-modules-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-modules-extra-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-tools-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-tools-libs-4.18.0-305.28.1.el8_4.aarch64.rpm
perf-4.18.0-305.28.1.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
python3-perf-4.18.0-305.28.1.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-305.28.1.el8_4.noarch.rpm
kernel-doc-4.18.0-305.28.1.el8_4.noarch.rpm

ppc64le:
bpftool-4.18.0-305.28.1.el8_4.ppc64le.rpm
bpftool-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-core-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-cross-headers-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debug-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debug-core-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debug-devel-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debug-modules-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-devel-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-headers-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-modules-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-modules-extra-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-tools-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-tools-libs-4.18.0-305.28.1.el8_4.ppc64le.rpm
perf-4.18.0-305.28.1.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
python3-perf-4.18.0-305.28.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm

s390x:
bpftool-4.18.0-305.28.1.el8_4.s390x.rpm
bpftool-debuginfo-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-core-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-cross-headers-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-debug-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-debug-core-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-debug-debuginfo-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-debug-devel-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-debug-modules-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-debug-modules-extra-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-debuginfo-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-devel-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-headers-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-modules-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-modules-extra-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-tools-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-tools-debuginfo-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-zfcpdump-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-zfcpdump-core-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-zfcpdump-devel-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-4.18.0-305.28.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-305.28.1.el8_4.s390x.rpm
perf-4.18.0-305.28.1.el8_4.s390x.rpm
perf-debuginfo-4.18.0-305.28.1.el8_4.s390x.rpm
python3-perf-4.18.0-305.28.1.el8_4.s390x.rpm
python3-perf-debuginfo-4.18.0-305.28.1.el8_4.s390x.rpm

x86_64:
bpftool-4.18.0-305.28.1.el8_4.x86_64.rpm
bpftool-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-core-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-cross-headers-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debug-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debug-core-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debug-devel-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debug-modules-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-devel-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-headers-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-modules-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-modules-extra-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-tools-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-tools-libs-4.18.0-305.28.1.el8_4.x86_64.rpm
perf-4.18.0-305.28.1.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
python3-perf-4.18.0-305.28.1.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm

Red Hat CodeReady Linux Builder EUS (v. 8.4):

aarch64:
bpftool-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
kernel-tools-libs-devel-4.18.0-305.28.1.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.28.1.el8_4.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-305.28.1.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.28.1.el8_4.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
kernel-tools-libs-devel-4.18.0-305.28.1.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.28.1.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.28.1.el8_4.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-2021-20317
https://access.redhat.com/security/cve/CVE-2021-28950
https://access.redhat.com/security/cve/CVE-2021-43267
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=9Qb1
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce