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Red Hat Security Advisory 2022-0186-07

Red Hat Security Advisory 2022-0186-07
Posted Jan 20, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0186-07 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include heap overflow and privilege escalation vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-4154, CVE-2021-4155, CVE-2022-0185
SHA-256 | 255bbad280ff777117f481929995d0e8be22db96c27a7cbab200dab6e85e611d

Red Hat Security Advisory 2022-0186-07

Change Mirror Download
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=====================================================================
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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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