RHSA-2023:5093: Security update for 3 packages

RHSA-2023:5093, released September 12, 2023, fixes 7 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0189

79th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 0
                                High 7
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kpatch-patch-5_14_0-284_11_1	RHEL 9	0:1-5.el9_2
kpatch-patch-5_14_0-284_18_1	RHEL 9	0:1-4.el9_2
kpatch-patch-5_14_0-284_25_1	RHEL 9	0:1-3.el9_2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2023-31248	kernel-64kb: The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bu...	7.8	0.0189	None reported
High	CVE-2023-35001	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...	7.8	0.0154	None reported
High	CVE-2023-4004	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...	7.8	0.0092	None reported
High	CVE-2023-3390	linux: A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c	7.8	0.0091	None reported
High	CVE-2023-4147	linux: A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID	7.8	0.0055	None reported
High	CVE-2023-3776	kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...	7.8	0.0051	None reported
High	CVE-2023-3610	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	7.8	0.0025	None reported

Also fixes CVE-2023-31248

SUSE-SU-2025:03634-1
kernel-azure, kernel-source-azure, kernel-syms-azure on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:3751-1
kernel-livepatch-SLE15-SP6-RT_Update_16, kernel-rt, kernel-rt_debug and 2 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:03600-1
dtb-aarch64, kernel-64kb, kernel-debug and 10 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:4057-1
kernel-64kb, kernel-default, kernel-default-base and 6 more on sles 15.7
SUSE-SU-2025:4141-1
kernel-livepatch-SLE15-SP7-RT_Update_6 on sles 15.7
SUSE-SU-2025:4132-1
kernel-azure, kernel-source-azure, kernel-syms-azure on sles 15.7
RHSA-2023:5069
bpftool, kernel, kernel-64k and 43 more on RHEL 9
RLSA-2023:5091
kernel-rt on rocky 9

Vendor advisory

https://access.redhat.com/errata/RHSA-2023:5093

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