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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2023:0832-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:0832
Issue date:        2023-02-21
CVE Names:         CVE-2022-2873 CVE-2022-41222 CVE-2022-43945
====================================================================
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: mm/mremap.c use-after-free vulnerability (CVE-2022-41222)

* kernel: nfsd buffer overflow by RPC message over TCP with garbage data
(CVE-2022-43945)

* kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)

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):

* WARNING: CPU: 116 PID: 3440 at arch/x86/mm/extable.c:105
ex_handler_fprestore+0x3f/0x50 (BZ#2134586)

* Hardware error: RIP: copy_user_enhanced_fast_string+0xe (BZ#2137592)

* Cannot trigger kernel dump using NMI on SNO node running PAO and RT
kernel (BZ#2139580)

* MEI support for Alder Lake-S (BZ#2141783)

* Host Pod -> Cluster IP Service traffic (Pod Backend - Different Node)
Flow Iperf Cannot Connect (BZ#2141959)

* RHEL8.7: Xorg cannot display resolution higher than 1024x768 on system
using ast graphics driver (BZ#2149287)

* Intel 8.7 Bug: OS doesn't boot when vmd and interrupt remapping are
enabled (BZ#2149474)

* i40e,iavf: SR-IOV VF devices send GARP with wrong MAC address
(BZ#2149745)

* RHEL8.4 - boot: Add secure boot trailer (BZ#2151530)

* error 524 from seccomp(2) when trying to load filter (BZ#2152138)

* Workqueue: WQ_MEM_RECLAIM iscsi_ctrl_1:98 __iscsi_unbind_session
[scsi_transport_iscsi] (BZ#2152734)

* Connectivity issue with vDPA driver (BZ#2152912)

* High Load average due to cfs cpu throttling (BZ#2153108)

* The "kernel BUG at mm/usercopy.c:103!" from BZ 2041529 is back on
rhel-8.5 (BZ#2153230)

* RHEL8: tick storm on nohz (isolated) CPU cores (BZ#2153653)

* kernel BUG: scheduling while atomic: crio/7295/0x00000002 (BZ#2154460)

* Azure RHEL 8 z-stream: Sometimes newly deployed VMs are not getting
accelerated network during provisioning (BZ#2155272)

* Azure: VM Deployment Failures Patch Request (BZ#2155280)

* Azure vPCI RHEL-8: add the support of multi-MSI (BZ#2155289)

* MSFT MANA NET Patch RHEL-8: Fix race on per-CQ variable napi_iperf panic
fix (BZ#2155437)

* GSS: OCP 4.10.30 node crash after ODF upgrade : unable to handle kernel
NULL pointer dereference at 0000000000000000 :
ceph_get_snap_realm+0x68/0xa0 [ceph] (BZ#2155797)

* Error in /usr/src/kernels/4.18.0-423.el8.x86_64/scripts/kernel-doc script
causing irdma build to fail (BZ#2157905)

* RHEL8.8: Backport upstream patches to reduce memory cgroup memory
consumption and OOM problem (BZ#2157922)

* The 'date' command shows wrong time in nested KVM s390x guest
(BZ#2158813)

* ethtool -m results in an out-of-bounds slab write in the be2net driver
(BZ#2160182)

* (Redhat OpenShift)Error downloading big ZIP files inside pod on power OCP
and pod getting restarted (BZ#2160221)

* i40e/iavf: VF reset task fails "Never saw reset" with 5 second timeout
per VF (BZ#2160460)

* iavf: It takes long time to create multiple VF interfaces and the VF
interface names are not consistent (BZ#2163257)

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/):

2119048 - CVE-2022-2873 kernel: an out-of-bounds vulnerability in i2c-ismt driver
2138818 - CVE-2022-41222 kernel: mm/mremap.c use-after-free vulnerability
2141752 - CVE-2022-43945 kernel: nfsd buffer overflow by RPC message over TCP with garbage data

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-425.13.1.el8_7.src.rpm

aarch64:
bpftool-4.18.0-425.13.1.el8_7.aarch64.rpm
bpftool-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-core-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-cross-headers-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debug-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debug-core-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debug-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debug-devel-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debug-modules-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debug-modules-extra-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-devel-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-headers-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-modules-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-modules-extra-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-tools-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-tools-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-tools-libs-4.18.0-425.13.1.el8_7.aarch64.rpm
perf-4.18.0-425.13.1.el8_7.aarch64.rpm
perf-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
python3-perf-4.18.0-425.13.1.el8_7.aarch64.rpm
python3-perf-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-425.13.1.el8_7.noarch.rpm
kernel-doc-4.18.0-425.13.1.el8_7.noarch.rpm

ppc64le:
bpftool-4.18.0-425.13.1.el8_7.ppc64le.rpm
bpftool-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-core-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-cross-headers-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debug-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debug-core-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debug-devel-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debug-modules-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-devel-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-headers-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-modules-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-modules-extra-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-tools-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-tools-libs-4.18.0-425.13.1.el8_7.ppc64le.rpm
perf-4.18.0-425.13.1.el8_7.ppc64le.rpm
perf-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
python3-perf-4.18.0-425.13.1.el8_7.ppc64le.rpm
python3-perf-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm

s390x:
bpftool-4.18.0-425.13.1.el8_7.s390x.rpm
bpftool-debuginfo-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-core-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-cross-headers-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-debug-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-debug-core-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-debug-debuginfo-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-debug-devel-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-debug-modules-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-debug-modules-extra-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-debuginfo-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-devel-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-headers-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-modules-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-modules-extra-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-tools-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-tools-debuginfo-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-zfcpdump-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-zfcpdump-core-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-zfcpdump-devel-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-zfcpdump-modules-4.18.0-425.13.1.el8_7.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-425.13.1.el8_7.s390x.rpm
perf-4.18.0-425.13.1.el8_7.s390x.rpm
perf-debuginfo-4.18.0-425.13.1.el8_7.s390x.rpm
python3-perf-4.18.0-425.13.1.el8_7.s390x.rpm
python3-perf-debuginfo-4.18.0-425.13.1.el8_7.s390x.rpm

x86_64:
bpftool-4.18.0-425.13.1.el8_7.x86_64.rpm
bpftool-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-core-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-cross-headers-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debug-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debug-core-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debug-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debug-devel-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debug-modules-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debug-modules-extra-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-devel-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-headers-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-modules-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-modules-extra-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-tools-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-tools-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-tools-libs-4.18.0-425.13.1.el8_7.x86_64.rpm
perf-4.18.0-425.13.1.el8_7.x86_64.rpm
perf-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
python3-perf-4.18.0-425.13.1.el8_7.x86_64.rpm
python3-perf-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debug-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-tools-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
kernel-tools-libs-devel-4.18.0-425.13.1.el8_7.aarch64.rpm
perf-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm
python3-perf-debuginfo-4.18.0-425.13.1.el8_7.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-425.13.1.el8_7.ppc64le.rpm
perf-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm
python3-perf-debuginfo-4.18.0-425.13.1.el8_7.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debug-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-tools-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
kernel-tools-libs-devel-4.18.0-425.13.1.el8_7.x86_64.rpm
perf-debuginfo-4.18.0-425.13.1.el8_7.x86_64.rpm
python3-perf-debuginfo-4.18.0-425.13.1.el8_7.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-2022-2873
https://access.redhat.com/security/cve/CVE-2022-41222
https://access.redhat.com/security/cve/CVE-2022-43945
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 2023 Red Hat, Inc.
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