An update for kernel is now available for Red Hat Enterprise Linux 8.6 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 and bug fix update
Advisory ID:       RHSA-2023:1841-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:1841
Issue date:        2023-04-18
CVE Names:         CVE-2023-0461 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.6
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.8.6) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.8.6) - 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: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)

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):

* xfs_buf deadlock between inode deletion and block allocation (aarch64)
(BZ#2164266)

* mlx5:CX6-DX: [IPsec crypto-offload, IPv6, TCP, Tunnel] tcp traffic is
broken on IPsec crypto-offload over IPv6 (BZ#2165492)

* Windows Server 2019 guest randomly pauses with "KVM: entry failed,
hardware error 0x80000021" (BZ#2166369)

* MSFT MANA NET Patch RHEL-8: Fix accessing freed irq affinity_hint
(BZ#2175252)

* Ethernet Port Configuration Tool (EPCT) not supported with in-tree ice
driver (BZ#2176866)

* Application Performance impact on cgroup v2 (BZ#2177793)

* In FIPS mode, kernel does not transition into error state when RCT or APT
health tests fail (BZ#2181732)

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/):

2176192 - CVE-2023-0461 kernel: net/ulp: use-after-free in listening ULP sockets

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v.8.6):

Source:
kernel-4.18.0-372.52.1.el8_6.src.rpm

aarch64:
bpftool-4.18.0-372.52.1.el8_6.aarch64.rpm
bpftool-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-core-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-cross-headers-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debug-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debug-core-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debug-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debug-devel-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debug-modules-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debug-modules-extra-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-devel-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-headers-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-modules-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-modules-extra-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-tools-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-tools-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-tools-libs-4.18.0-372.52.1.el8_6.aarch64.rpm
perf-4.18.0-372.52.1.el8_6.aarch64.rpm
perf-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
python3-perf-4.18.0-372.52.1.el8_6.aarch64.rpm
python3-perf-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-372.52.1.el8_6.noarch.rpm
kernel-doc-4.18.0-372.52.1.el8_6.noarch.rpm

ppc64le:
bpftool-4.18.0-372.52.1.el8_6.ppc64le.rpm
bpftool-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-core-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-cross-headers-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debug-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debug-core-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debug-devel-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debug-modules-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-devel-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-headers-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-modules-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-modules-extra-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-tools-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-tools-libs-4.18.0-372.52.1.el8_6.ppc64le.rpm
perf-4.18.0-372.52.1.el8_6.ppc64le.rpm
perf-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
python3-perf-4.18.0-372.52.1.el8_6.ppc64le.rpm
python3-perf-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm

s390x:
bpftool-4.18.0-372.52.1.el8_6.s390x.rpm
bpftool-debuginfo-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-core-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-cross-headers-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-debug-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-debug-core-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-debug-debuginfo-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-debug-devel-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-debug-modules-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-debug-modules-extra-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-debuginfo-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-devel-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-headers-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-modules-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-modules-extra-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-tools-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-tools-debuginfo-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-zfcpdump-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-zfcpdump-core-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-zfcpdump-devel-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-zfcpdump-modules-4.18.0-372.52.1.el8_6.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-372.52.1.el8_6.s390x.rpm
perf-4.18.0-372.52.1.el8_6.s390x.rpm
perf-debuginfo-4.18.0-372.52.1.el8_6.s390x.rpm
python3-perf-4.18.0-372.52.1.el8_6.s390x.rpm
python3-perf-debuginfo-4.18.0-372.52.1.el8_6.s390x.rpm

x86_64:
bpftool-4.18.0-372.52.1.el8_6.x86_64.rpm
bpftool-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-core-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-cross-headers-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debug-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debug-core-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debug-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debug-devel-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debug-modules-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debug-modules-extra-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-devel-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-headers-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-modules-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-modules-extra-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-tools-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-tools-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-tools-libs-4.18.0-372.52.1.el8_6.x86_64.rpm
perf-4.18.0-372.52.1.el8_6.x86_64.rpm
perf-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
python3-perf-4.18.0-372.52.1.el8_6.x86_64.rpm
python3-perf-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm

Red Hat CodeReady Linux Builder EUS (v.8.6):

aarch64:
bpftool-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debug-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-tools-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
kernel-tools-libs-devel-4.18.0-372.52.1.el8_6.aarch64.rpm
perf-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm
python3-perf-debuginfo-4.18.0-372.52.1.el8_6.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-372.52.1.el8_6.ppc64le.rpm
perf-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm
python3-perf-debuginfo-4.18.0-372.52.1.el8_6.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debug-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-tools-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
kernel-tools-libs-devel-4.18.0-372.52.1.el8_6.x86_64.rpm
perf-debuginfo-4.18.0-372.52.1.el8_6.x86_64.rpm
python3-perf-debuginfo-4.18.0-372.52.1.el8_6.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-2023-0461
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 2023 Red Hat, Inc.
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