Linux · Red Hat · Security advisory · September 19, 2023

RHSA-2023:5244: Security update for 23 packages

RHSA-2023:5244, released September 19, 2023, fixes 10 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
10
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.4489
98th percentile

Priority of the 10 CVEs

Patch now 0 Urgent 0 High 9 Routine 1

Fixed package versions

ProductReleaseFixed in
bpftoolRHEL 80:4.18.0-477.27.1.el8_8
kernelRHEL 80:4.18.0-477.27.1.el8_8
kernel-abi-stablelistsRHEL 80:4.18.0-477.27.1.el8_8
kernel-coreRHEL 80:4.18.0-477.27.1.el8_8
kernel-debugRHEL 80:4.18.0-477.27.1.el8_8
kernel-debug-coreRHEL 80:4.18.0-477.27.1.el8_8
kernel-debug-develRHEL 80:4.18.0-477.27.1.el8_8
kernel-debug-modulesRHEL 80:4.18.0-477.27.1.el8_8
kernel-debug-modules-extraRHEL 80:4.18.0-477.27.1.el8_8
kernel-develRHEL 80:4.18.0-477.27.1.el8_8
kernel-docRHEL 80:4.18.0-477.27.1.el8_8
kernel-modulesRHEL 80:4.18.0-477.27.1.el8_8
kernel-modules-extraRHEL 80:4.18.0-477.27.1.el8_8
kernel-toolsRHEL 80:4.18.0-477.27.1.el8_8
kernel-tools-libsRHEL 80:4.18.0-477.27.1.el8_8
kernel-tools-libs-develRHEL 80:4.18.0-477.27.1.el8_8
kernel-zfcpdumpRHEL 80:4.18.0-477.27.1.el8_8
kernel-zfcpdump-coreRHEL 80:4.18.0-477.27.1.el8_8
kernel-zfcpdump-develRHEL 80:4.18.0-477.27.1.el8_8
kernel-zfcpdump-modulesRHEL 80:4.18.0-477.27.1.el8_8
kernel-zfcpdump-modules-extraRHEL 80:4.18.0-477.27.1.el8_8
perfRHEL 80:4.18.0-477.27.1.el8_8
python3-perfRHEL 80:4.18.0-477.27.1.el8_8

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2023-44466 perf: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...8.8 0.4489 None reported
High CVE-2023-20593 amd64-microcode: An issue in “Zen 2” CPUs, under specific microarchitectural circumstances,may allow an attacker to potentially access...7.8 0.0507 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-2023-2002 kernel-zfcpdump-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...7.8 0.0147 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.c7.8 0.0091 None reported
High CVE-2023-35788 linux: An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.77.8 0.0052 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-2023-3090 kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...7.8 0.0048 None reported
Routine CVE-2023-1637 kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...5.5 0.0022 None reported
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