A kernel security, bug fix, and enhancement update has been released for Red Hat Enterprise Linux 8.4.
RHSA-2022:0186-07: Important: kernel security, bug fix, and enhancement update
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2022:0186-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0186
Issue date: 2022-01-19
CVE Names: CVE-2021-4154 CVE-2021-4155 CVE-2022-0185
=====================================================================
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: local privilege escalation by exploiting the fsconfig syscall
parameter leads to container breakout (CVE-2021-4154)
* 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):
* ionic upstream bug fix - linearize skb with too many frags (BZ#1952077)
* kernel show “ BUG: scheduling while atomic:xxx“ and reboot when an
uncorrectable memory error injection on RHEL8.4 beta and GA (BZ#2003993)
* [RHEL 8.3] Discard request from mkfs.xfs takes too much time on raid10
(BZ#2020418)
* CNB: Rebase/update TC subsystem for RHEL 8.5 (BZ#2021644)
* Proactively Backport MM fixes for el8.5 - 2nd round (BZ#2023923)
* [RHEL-8.6][SanityOnly] Backport leftover migrate_disable BPF related
change (BZ#2027688)
* Backport kernel audit enhancements and fixes from v5.10 to v5.13-rc1
(BZ#2028871)
* Proactively Backport MM fixes for el8.5 (BZ#2029383)
* iommu/amd: Fix unable to handle page fault due to AVIC (BZ#2030853)
* RCU stall WARNING: at kernel/rcu/tree.c:1392
rcu_advance_cbs_nowake+0x51/0x60 (BZ#2032578)
* PTP "clock jumped backward or running slower than expected!" in OpenShift
4.8 environment with Intel E810 (BZ#2037834)
Enhancement(s):
* [Mellanox 8.5 FEAT] mlx5: drivers update upto Linux v5.12 (BZ#2023918)
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/):
2034514 - CVE-2021-4154 kernel: local privilege escalation by exploiting the fsconfig syscall parameter leads to container breakout
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 EUS (v.8.4):
Source:
kernel-4.18.0-305.34.2.el8_4.src.rpm
aarch64:
bpftool-4.18.0-305.34.2.el8_4.aarch64.rpm
bpftool-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-core-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-cross-headers-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debug-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debug-core-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debug-devel-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debug-modules-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debug-modules-extra-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-devel-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-headers-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-modules-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-modules-extra-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-tools-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-tools-libs-4.18.0-305.34.2.el8_4.aarch64.rpm
perf-4.18.0-305.34.2.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
python3-perf-4.18.0-305.34.2.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
noarch:
kernel-abi-stablelists-4.18.0-305.34.2.el8_4.noarch.rpm
kernel-doc-4.18.0-305.34.2.el8_4.noarch.rpm
ppc64le:
bpftool-4.18.0-305.34.2.el8_4.ppc64le.rpm
bpftool-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-core-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-cross-headers-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debug-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debug-core-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debug-devel-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debug-modules-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-devel-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-headers-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-modules-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-modules-extra-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-tools-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-tools-libs-4.18.0-305.34.2.el8_4.ppc64le.rpm
perf-4.18.0-305.34.2.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
python3-perf-4.18.0-305.34.2.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
s390x:
bpftool-4.18.0-305.34.2.el8_4.s390x.rpm
bpftool-debuginfo-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-core-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-cross-headers-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-debug-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-debug-core-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-debug-debuginfo-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-debug-devel-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-debug-modules-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-debug-modules-extra-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-debuginfo-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-devel-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-headers-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-modules-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-modules-extra-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-tools-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-tools-debuginfo-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-zfcpdump-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-zfcpdump-core-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-zfcpdump-devel-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-zfcpdump-modules-4.18.0-305.34.2.el8_4.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-305.34.2.el8_4.s390x.rpm
perf-4.18.0-305.34.2.el8_4.s390x.rpm
perf-debuginfo-4.18.0-305.34.2.el8_4.s390x.rpm
python3-perf-4.18.0-305.34.2.el8_4.s390x.rpm
python3-perf-debuginfo-4.18.0-305.34.2.el8_4.s390x.rpm
x86_64:
bpftool-4.18.0-305.34.2.el8_4.x86_64.rpm
bpftool-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-core-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-cross-headers-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debug-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debug-core-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debug-devel-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debug-modules-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debug-modules-extra-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-devel-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-headers-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-modules-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-modules-extra-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-tools-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-tools-libs-4.18.0-305.34.2.el8_4.x86_64.rpm
perf-4.18.0-305.34.2.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
python3-perf-4.18.0-305.34.2.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
Red Hat CodeReady Linux Builder EUS (v. 8.4):
aarch64:
bpftool-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
kernel-tools-libs-devel-4.18.0-305.34.2.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.34.2.el8_4.aarch64.rpm
ppc64le:
bpftool-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-305.34.2.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.34.2.el8_4.ppc64le.rpm
x86_64:
bpftool-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
kernel-tools-libs-devel-4.18.0-305.34.2.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.34.2.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.34.2.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-2021-4154
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 . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2022 Red Hat, Inc.
