Linux · Security advisory · April 4, 2023

RHSA-2023:1584: Security update for 12 packages

RHSA-2023:1584, released April 4, 2023, fixes 4 CVEs across 12 products. 2 of them are being exploited (CVE-2023-0386); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEV
CVEs closed
4
None rated Critical
Exploited
2
CVE-2023-0386
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0788
94th percentile

Priority of the 4 CVEs

Patch now 2 Urgent 0 High 2 Routine 0

Fixed package versions

ProductReleaseFixed in
kernel-rtRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-coreRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-debugRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-debug-coreRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-debug-develRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-debug-kvmRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-debug-modulesRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-debug-modules-extraRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-develRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-kvmRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-modulesRHEL 80:4.18.0-425.19.2.rt7.230.el8_7
kernel-rt-modules-extraRHEL 80:4.18.0-425.19.2.rt7.230.el8_7

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Patch now CVE-2023-0386 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... 7.8 0.0788 KEVExploited
Patch now CVE-2023-0266 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... 7.8 0.0370 KEVExploited
High CVE-2022-4378 kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... 7.8 0.0044 None reported
High CVE-2022-4269 kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... 7.8 0.0020 None reported
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