Linux · Security advisory · August 10, 2023

ELSA-2023-4517: Security update for 20 packages

ELSA-2023-4517, released August 10, 2023, fixes 6 CVEs across 20 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
6
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0246
84th percentile

Priority of the 6 CVEs

Patch now 0 Urgent 0 High 6 Routine 0

Fixed package versions

ProductReleaseFixed in
bpftoolol 80:4.18.0-477.21.1.el8_8
kernelol 80:4.18.0-477.21.1.el8_8
kernel-abi-stablelistsol 80:4.18.0-477.21.1.el8_8
kernel-coreol 80:4.18.0-477.21.1.el8_8
kernel-cross-headersol 80:4.18.0-477.21.1.el8_8
kernel-debugol 80:4.18.0-477.21.1.el8_8
kernel-debug-coreol 80:4.18.0-477.21.1.el8_8
kernel-debug-develol 80:4.18.0-477.21.1.el8_8
kernel-debug-modulesol 80:4.18.0-477.21.1.el8_8
kernel-debug-modules-extraol 80:4.18.0-477.21.1.el8_8
kernel-develol 80:4.18.0-477.21.1.el8_8
kernel-docol 80:4.18.0-477.21.1.el8_8
kernel-headersol 80:4.18.0-477.21.1.el8_8
kernel-modulesol 80:4.18.0-477.21.1.el8_8
kernel-modules-extraol 80:4.18.0-477.21.1.el8_8
kernel-toolsol 80:4.18.0-477.21.1.el8_8
kernel-tools-libsol 80:4.18.0-477.21.1.el8_8
kernel-tools-libs-develol 80:4.18.0-477.21.1.el8_8
perfol 80:4.18.0-477.21.1.el8_8
python3-perfol 80:4.18.0-477.21.1.el8_8

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2022-42896 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: u... 8.8 0.0246 None reported
High CVE-2023-1829 linux: A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve... 8.1 0.0106 None reported
High CVE-2023-2124 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: u... 8.1 0.0049 None reported
High CVE-2023-1281 linux: Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The... 8.1 0.0030 None reported
High CVE-2023-2235 linux: A use-after-free vulnerability in the Linux Kernel Performance Events system can be exploited to achieve local privil... 8.1 0.0025 None reported
High CVE-2023-2194 kernel-debug-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: u... 8.1 0.0024 None reported
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