Linux · Red Hat · Security advisory · July 9, 2026

RHSA-2026:36645: Security update for 72 packages

RHSA-2026:36645, released July 9, 2026, fixes 3 CVEs across 72 products. One of them is being exploited (CVE-2026-53266); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV
CVEs closed
3
None rated Critical
Exploited
1
CVE-2026-53266
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0458
91st percentile

Priority of the 3 CVEs

Patch now 1 Urgent 0 High 2 Routine 0

Fixed package versions

ProductReleaseFixed in
kernelRHEL 90:5.14.0-687.23.1.el9_8
kernel-64kRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-debugRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-debug-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-debug-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-debug-devel-matchedRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-debug-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-debug-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-debug-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-devel-matchedRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-64k-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
kernel-abi-stablelistsRHEL 90:5.14.0-687.23.1.el9_8
kernel-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-debugRHEL 90:5.14.0-687.23.1.el9_8
kernel-debug-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-debug-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-debug-devel-matchedRHEL 90:5.14.0-687.23.1.el9_8
kernel-debug-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-debug-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-debug-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
kernel-debug-uki-virtRHEL 90:5.14.0-687.23.1.el9_8
kernel-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-devel-matchedRHEL 90:5.14.0-687.23.1.el9_8
kernel-docRHEL 90:5.14.0-687.23.1.el9_8
kernel-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
kernel-rtRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64kRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-debugRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-debug-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-debug-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-debug-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-debug-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-debug-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-64k-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-debugRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-debug-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-debug-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-debug-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-debug-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-debug-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-rt-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
kernel-toolsRHEL 90:5.14.0-687.23.1.el9_8
kernel-tools-libsRHEL 90:5.14.0-687.23.1.el9_8
kernel-tools-libs-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-uki-virtRHEL 90:5.14.0-687.23.1.el9_8
kernel-uki-virt-addonsRHEL 90:5.14.0-687.23.1.el9_8
kernel-zfcpdumpRHEL 90:5.14.0-687.23.1.el9_8
kernel-zfcpdump-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-zfcpdump-develRHEL 90:5.14.0-687.23.1.el9_8
kernel-zfcpdump-devel-matchedRHEL 90:5.14.0-687.23.1.el9_8
kernel-zfcpdump-modulesRHEL 90:5.14.0-687.23.1.el9_8
kernel-zfcpdump-modules-coreRHEL 90:5.14.0-687.23.1.el9_8
kernel-zfcpdump-modules-extraRHEL 90:5.14.0-687.23.1.el9_8
libperfRHEL 90:5.14.0-687.23.1.el9_8
perfRHEL 90:5.14.0-687.23.1.el9_8
python3-perfRHEL 90:5.14.0-687.23.1.el9_8
rtlaRHEL 90:5.14.0-687.23.1.el9_8
rvRHEL 90:5.14.0-687.23.1.el9_8

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Patch now CVE-2026-53266 netfilter: bridge: make ebt_snat ARP rewrite writable8.8 0.0093 KEVExploited
High CVE-2026-46242 kpatch-patch-5_14_0-687_10_1: This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a run...7.8 0.0458 None reported
High CVE-2026-43074 kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues wer...7.8 0.0048 None reported
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