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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2022:0188-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:0188
Issue date:        2022-01-19
CVE Names:         CVE-2021-4155 CVE-2022-0185 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.

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 (v. 8) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - 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: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL
(CVE-2021-4155)

* kernel: fs_context: heap overflow in legacy parameter handling
(CVE-2022-0185)

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 show “ BUG: scheduling while atomic:xxx“ and reboot when an
uncorrectable memory error injection on RHEL8.4 beta and GA (BZ#2008789)

* tcp: Sockets can be orphaned in the FIN-WAIT-1 or CLOSING states.
(BZ#2021574)

* Hostnetwork pod to service backed by hostnetwork on the same node is not
working with OVN Kubernetes (BZ#2024411)

* ice: bug fixes for kernel crashes (BZ#2026698)

* [RHEL-8.6][SanityOnly] Backport leftover migrate_disable BPF related
change (BZ#2027689)

* xfs: I_DONTCACHE flag is ignored [xfstests: xfs/177] (BZ#2028534)

* FIPS: deadlock between PID 1 and "modprobe crypto-jitterentropy_rng" at
boot, preventing system to boot (BZ#2029365)

* RHEL8.6: Backport upstream RCU commits up to v5.12 (BZ#2029449)

* i40e,ixgbe: revert XDP partial backport from kernel 5.13 (BZ#2029845)

* spec: Support separate tools build (BZ#2031053)

* RCU stall WARNING: at kernel/rcu/tree.c:1392
rcu_advance_cbs_nowake+0x51/0x60 (BZ#2032579)

* block: update to upstream v5.14 (BZ#2034396)

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/):

2034813 - CVE-2021-4155 kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL
2040358 - CVE-2022-0185 kernel: fs_context: heap overflow in legacy parameter handling

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-348.12.2.el8_5.src.rpm

aarch64:
bpftool-4.18.0-348.12.2.el8_5.aarch64.rpm
bpftool-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-core-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-cross-headers-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debug-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debug-core-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debug-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debug-devel-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debug-modules-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debug-modules-extra-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-devel-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-headers-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-modules-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-modules-extra-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-tools-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-tools-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-tools-libs-4.18.0-348.12.2.el8_5.aarch64.rpm
perf-4.18.0-348.12.2.el8_5.aarch64.rpm
perf-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
python3-perf-4.18.0-348.12.2.el8_5.aarch64.rpm
python3-perf-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-348.12.2.el8_5.noarch.rpm
kernel-doc-4.18.0-348.12.2.el8_5.noarch.rpm

ppc64le:
bpftool-4.18.0-348.12.2.el8_5.ppc64le.rpm
bpftool-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-core-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-cross-headers-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debug-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debug-core-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debug-devel-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debug-modules-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-devel-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-headers-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-modules-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-modules-extra-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-tools-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-tools-libs-4.18.0-348.12.2.el8_5.ppc64le.rpm
perf-4.18.0-348.12.2.el8_5.ppc64le.rpm
perf-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
python3-perf-4.18.0-348.12.2.el8_5.ppc64le.rpm
python3-perf-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm

s390x:
bpftool-4.18.0-348.12.2.el8_5.s390x.rpm
bpftool-debuginfo-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-core-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-cross-headers-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-debug-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-debug-core-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-debug-debuginfo-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-debug-devel-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-debug-modules-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-debug-modules-extra-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-debuginfo-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-devel-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-headers-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-modules-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-modules-extra-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-tools-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-tools-debuginfo-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-zfcpdump-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-zfcpdump-core-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-zfcpdump-devel-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-zfcpdump-modules-4.18.0-348.12.2.el8_5.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-348.12.2.el8_5.s390x.rpm
perf-4.18.0-348.12.2.el8_5.s390x.rpm
perf-debuginfo-4.18.0-348.12.2.el8_5.s390x.rpm
python3-perf-4.18.0-348.12.2.el8_5.s390x.rpm
python3-perf-debuginfo-4.18.0-348.12.2.el8_5.s390x.rpm

x86_64:
bpftool-4.18.0-348.12.2.el8_5.x86_64.rpm
bpftool-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-core-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-cross-headers-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debug-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debug-core-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debug-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debug-devel-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debug-modules-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debug-modules-extra-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-devel-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-headers-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-modules-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-modules-extra-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-tools-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-tools-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-tools-libs-4.18.0-348.12.2.el8_5.x86_64.rpm
perf-4.18.0-348.12.2.el8_5.x86_64.rpm
perf-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
python3-perf-4.18.0-348.12.2.el8_5.x86_64.rpm
python3-perf-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debug-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-tools-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
kernel-tools-libs-devel-4.18.0-348.12.2.el8_5.aarch64.rpm
perf-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm
python3-perf-debuginfo-4.18.0-348.12.2.el8_5.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-348.12.2.el8_5.ppc64le.rpm
perf-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm
python3-perf-debuginfo-4.18.0-348.12.2.el8_5.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debug-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-tools-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
kernel-tools-libs-devel-4.18.0-348.12.2.el8_5.x86_64.rpm
perf-debuginfo-4.18.0-348.12.2.el8_5.x86_64.rpm
python3-perf-debuginfo-4.18.0-348.12.2.el8_5.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-2021-4155
https://access.redhat.com/security/cve/CVE-2022-0185
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 2022 Red Hat, Inc.
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