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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2023.7155
                    kernel security and bug fix update
                             29 November 2023

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kernel
Publisher:         Red Hat
Operating System:  Red Hat
Resolution:        Patch/Upgrade
CVE Names:         CVE-2023-20593 CVE-2023-5178 

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2023:7557

Comment: CVSS (Max):  8.8 CVE-2023-5178 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
         CVSS Source: Red Hat
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2023:7557
Product:           Red Hat Enterprise Linux BaseOS AUS (v.8.4)
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:7557
Issue date:        2023-11-28
CVE Names:         CVE-2023-5178 CVE-2023-20593
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced
Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications
Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP
Solutions.

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 Enterprise Linux BaseOS AUS (v.8.4) - x86_64, noarch, aarch64, ppc64le,
s390x
Red Hat Enterprise Linux BaseOS E4S (v.8.4) - x86_64, noarch, aarch64, ppc64le,
s390x
Red Hat Enterprise Linux BaseOS TUS (v.8.4) - x86_64, noarch, aarch64, ppc64le,
s390x

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux operating
system.

Security Fix(es):

* kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

* hw: amd: Cross-Process Information Leak (CVE-2023-20593)

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):

* Circular locking dependency on rtnl_mutex, nft_commit_mutex, complettion of
modprobe nf-logger-2-0, and pernet_ops_rwsem causes hang. (BZ#2234452)

* i40e: backport selected bugfixes (BZ#2238307)

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/):

2241924 - CVE-2023-5178 - kernel: use after free in nvmet_tcp_free_crypto in
NVMe
2217845 - CVE-2023-20593 - hw: amd: Cross-Process Information Leak 

6. Package List:

Red Hat Enterprise Linux BaseOS AUS (v.8.4)

x86_64:
bpftool-0:4.18.0-305.114.1.el8_4.x86_64.rpm
bpftool-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-core-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-cross-headers-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-core-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-devel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-modules-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-devel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-modules-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-modules-extra-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-libs-0:4.18.0-305.114.1.el8_4.x86_64.rpm
perf-0:4.18.0-305.114.1.el8_4.x86_64.rpm
perf-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
python3-perf-0:4.18.0-305.114.1.el8_4.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-headers-0:4.18.0-305.114.1.el8_4.x86_64.rpm

Source:
kernel-0:4.18.0-305.114.1.el8_4.src.rpm

noarch:
kernel-abi-stablelists-0:4.18.0-305.114.1.el8_4.noarch.rpm
kernel-doc-0:4.18.0-305.114.1.el8_4.noarch.rpm

Red Hat Enterprise Linux BaseOS E4S (v.8.4)

aarch64:
bpftool-0:4.18.0-305.114.1.el8_4.aarch64.rpm
bpftool-debuginfo-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-core-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-cross-headers-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-debug-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-debug-core-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-debug-devel-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-debug-modules-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-debug-modules-extra-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-debuginfo-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-devel-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-modules-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-modules-extra-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-tools-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-tools-libs-0:4.18.0-305.114.1.el8_4.aarch64.rpm
perf-0:4.18.0-305.114.1.el8_4.aarch64.rpm
perf-debuginfo-0:4.18.0-305.114.1.el8_4.aarch64.rpm
python3-perf-0:4.18.0-305.114.1.el8_4.aarch64.rpm
python3-perf-debuginfo-0:4.18.0-305.114.1.el8_4.aarch64.rpm
kernel-headers-0:4.18.0-305.114.1.el8_4.aarch64.rpm

ppc64le:
bpftool-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
bpftool-debuginfo-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-core-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-cross-headers-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-debug-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-debug-core-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-debug-devel-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-debug-modules-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-debug-modules-extra-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-debuginfo-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-devel-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-modules-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-modules-extra-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-tools-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-tools-libs-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
perf-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
perf-debuginfo-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
python3-perf-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-0:4.18.0-305.114.1.el8_4.ppc64le.rpm
kernel-headers-0:4.18.0-305.114.1.el8_4.ppc64le.rpm

s390x:
bpftool-0:4.18.0-305.114.1.el8_4.s390x.rpm
bpftool-debuginfo-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-core-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-cross-headers-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-debug-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-debug-core-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-debug-debuginfo-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-debug-devel-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-debug-modules-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-debug-modules-extra-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-debuginfo-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-debuginfo-common-s390x-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-devel-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-modules-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-modules-extra-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-tools-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-tools-debuginfo-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-zfcpdump-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-zfcpdump-core-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-zfcpdump-debuginfo-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-zfcpdump-devel-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-extra-0:4.18.0-305.114.1.el8_4.s390x.rpm
perf-0:4.18.0-305.114.1.el8_4.s390x.rpm
perf-debuginfo-0:4.18.0-305.114.1.el8_4.s390x.rpm
python3-perf-0:4.18.0-305.114.1.el8_4.s390x.rpm
python3-perf-debuginfo-0:4.18.0-305.114.1.el8_4.s390x.rpm
kernel-headers-0:4.18.0-305.114.1.el8_4.s390x.rpm

x86_64:
bpftool-0:4.18.0-305.114.1.el8_4.x86_64.rpm
bpftool-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-core-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-cross-headers-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-core-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-devel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-modules-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-devel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-modules-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-modules-extra-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-libs-0:4.18.0-305.114.1.el8_4.x86_64.rpm
perf-0:4.18.0-305.114.1.el8_4.x86_64.rpm
perf-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
python3-perf-0:4.18.0-305.114.1.el8_4.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-headers-0:4.18.0-305.114.1.el8_4.x86_64.rpm

Source:
kernel-0:4.18.0-305.114.1.el8_4.src.rpm

noarch:
kernel-abi-stablelists-0:4.18.0-305.114.1.el8_4.noarch.rpm
kernel-doc-0:4.18.0-305.114.1.el8_4.noarch.rpm

Red Hat Enterprise Linux BaseOS TUS (v.8.4)

x86_64:
bpftool-0:4.18.0-305.114.1.el8_4.x86_64.rpm
bpftool-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-core-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-cross-headers-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-core-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-devel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-modules-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-devel-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-modules-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-modules-extra-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-tools-libs-0:4.18.0-305.114.1.el8_4.x86_64.rpm
perf-0:4.18.0-305.114.1.el8_4.x86_64.rpm
perf-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
python3-perf-0:4.18.0-305.114.1.el8_4.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-305.114.1.el8_4.x86_64.rpm
kernel-headers-0:4.18.0-305.114.1.el8_4.x86_64.rpm

Source:
kernel-0:4.18.0-305.114.1.el8_4.src.rpm

noarch:
kernel-abi-stablelists-0:4.18.0-305.114.1.el8_4.noarch.rpm
kernel-doc-0:4.18.0-305.114.1.el8_4.noarch.rpm

7. References:

https://access.redhat.com/security/cve/CVE-2023-5178
https://access.redhat.com/security/cve/CVE-2023-20593
https://access.redhat.com/security/updates/classification/#important

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