Linux · Oracle Linux · Security advisory · July 14, 2026

ELSA-2026-36645: Security update for 29 packages

ELSA-2026-36645, released July 14, 2026, fixes 3 CVEs across 29 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
kernelol 90:5.14.0-687.23.1.el9_8
kernel-abi-stablelistsol 90:5.14.0-687.23.1.el9_8
kernel-coreol 90:5.14.0-687.23.1.el9_8
kernel-cross-headersol 90:5.14.0-687.23.1.el9_8
kernel-debugol 90:5.14.0-687.23.1.el9_8
kernel-debug-coreol 90:5.14.0-687.23.1.el9_8
kernel-debug-develol 90:5.14.0-687.23.1.el9_8
kernel-debug-devel-matchedol 90:5.14.0-687.23.1.el9_8
kernel-debug-modulesol 90:5.14.0-687.23.1.el9_8
kernel-debug-modules-coreol 90:5.14.0-687.23.1.el9_8
kernel-debug-modules-extraol 90:5.14.0-687.23.1.el9_8
kernel-debug-uki-virtol 90:5.14.0-687.23.1.el9_8
kernel-develol 90:5.14.0-687.23.1.el9_8
kernel-devel-matchedol 90:5.14.0-687.23.1.el9_8
kernel-docol 90:5.14.0-687.23.1.el9_8
kernel-headersol 90:5.14.0-687.23.1.el9_8
kernel-modulesol 90:5.14.0-687.23.1.el9_8
kernel-modules-coreol 90:5.14.0-687.23.1.el9_8
kernel-modules-extraol 90:5.14.0-687.23.1.el9_8
kernel-toolsol 90:5.14.0-687.23.1.el9_8
kernel-tools-libsol 90:5.14.0-687.23.1.el9_8
kernel-tools-libs-develol 90:5.14.0-687.23.1.el9_8
kernel-uki-virtol 90:5.14.0-687.23.1.el9_8
kernel-uki-virt-addonsol 90:5.14.0-687.23.1.el9_8
libperfol 90:5.14.0-687.23.1.el9_8
perfol 90:5.14.0-687.23.1.el9_8
python3-perfol 90:5.14.0-687.23.1.el9_8
rtlaol 90:5.14.0-687.23.1.el9_8
rvol 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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