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,

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

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2022:4829-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:4829
Issue date:        2022-05-31
CVE Names:         CVE-2021-4037 CVE-2021-20322 CVE-2022-27666 
====================================================================
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: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)

* kernel: security regression for CVE-2018-13405 (CVE-2021-4037)

* kernel: new DNS Cache Poisoning Attack based on ICMP fragment needed
packets replies (CVE-2021-20322)

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):

* kernel: Add support for CPU-MF counter second version 7 (BZ#2050686)

* BNXT driver logging added latency tc-hw-offload (BZ#2059860)

* RHEL 8 not disabling the qla2x00_timer() when the system is rebooted.
(BZ#2066347)

* spec: Fix separate tools build (BZ#2074075)

* VirtIO Throughput for VM on host with OVS HW-Offload is very low
(BZ#2074222)

* kernel BUG at fs/ext4/mballoc.c:3245! (BZ#2074241)

* sctp connection abort unexpected. (BZ#2075131)

* [GSS]OCP node kernel crash due to ceph_fsync - unsafe_request_wait+0x143
(BZ#2080072)

* TCP doesn't retransmit if in reorder state and waits for RTO (BZ#2080973)

* kernel paging space issue (BZ#2080990)

* Important ice bug fixes (BZ#2081795)

Enhancement(s):

* Bring UV subsystem up to date with upstream kernel 5.12 (BZ#2058190)

* update qla2xxx driver to latest upstream (BZ#2060427)

* Update ice and iavf drivers to upstream v5.17 (BZ#2070546)

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/):

2014230 - CVE-2021-20322 kernel: new DNS Cache Poisoning Attack based on ICMP fragment needed packets replies
2027239 - CVE-2021-4037 kernel: security regression for CVE-2018-13405
2061633 - CVE-2022-27666 kernel: buffer overflow in IPsec ESP transformation code

6. Package List:

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

Source:
kernel-4.18.0-305.49.1.el8_4.src.rpm

aarch64:
bpftool-4.18.0-305.49.1.el8_4.aarch64.rpm
bpftool-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-core-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-cross-headers-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debug-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debug-core-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debug-devel-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debug-modules-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debug-modules-extra-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-devel-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-headers-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-modules-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-modules-extra-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-tools-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-tools-libs-4.18.0-305.49.1.el8_4.aarch64.rpm
perf-4.18.0-305.49.1.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
python3-perf-4.18.0-305.49.1.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-305.49.1.el8_4.noarch.rpm
kernel-doc-4.18.0-305.49.1.el8_4.noarch.rpm

ppc64le:
bpftool-4.18.0-305.49.1.el8_4.ppc64le.rpm
bpftool-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-core-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-cross-headers-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debug-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debug-core-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debug-devel-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debug-modules-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-devel-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-headers-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-modules-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-modules-extra-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-tools-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-tools-libs-4.18.0-305.49.1.el8_4.ppc64le.rpm
perf-4.18.0-305.49.1.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
python3-perf-4.18.0-305.49.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm

s390x:
bpftool-4.18.0-305.49.1.el8_4.s390x.rpm
bpftool-debuginfo-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-core-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-cross-headers-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-debug-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-debug-core-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-debug-debuginfo-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-debug-devel-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-debug-modules-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-debug-modules-extra-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-debuginfo-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-devel-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-headers-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-modules-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-modules-extra-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-tools-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-tools-debuginfo-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-zfcpdump-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-zfcpdump-core-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-zfcpdump-devel-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-4.18.0-305.49.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-305.49.1.el8_4.s390x.rpm
perf-4.18.0-305.49.1.el8_4.s390x.rpm
perf-debuginfo-4.18.0-305.49.1.el8_4.s390x.rpm
python3-perf-4.18.0-305.49.1.el8_4.s390x.rpm
python3-perf-debuginfo-4.18.0-305.49.1.el8_4.s390x.rpm

x86_64:
bpftool-4.18.0-305.49.1.el8_4.x86_64.rpm
bpftool-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-core-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-cross-headers-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debug-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debug-core-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debug-devel-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debug-modules-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-devel-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-headers-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-modules-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-modules-extra-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-tools-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-tools-libs-4.18.0-305.49.1.el8_4.x86_64.rpm
perf-4.18.0-305.49.1.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
python3-perf-4.18.0-305.49.1.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm

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

aarch64:
bpftool-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
kernel-tools-libs-devel-4.18.0-305.49.1.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-305.49.1.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.49.1.el8_4.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
kernel-tools-libs-devel-4.18.0-305.49.1.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.49.1.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.49.1.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-2021-4037
https://access.redhat.com/security/cve/CVE-2021-20322
https://access.redhat.com/security/cve/CVE-2022-27666
https://access.redhat.com/security/updates/classification/#important

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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