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
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0458
91st percentile
Priority of the 3 CVEs
Patch now 1
Urgent 0
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-abi-stablelists | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-core | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-cross-headers | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-debug | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-debug-core | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-debug-devel | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-debug-devel-matched | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-debug-modules | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-debug-modules-core | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-debug-modules-extra | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-debug-uki-virt | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-devel | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-devel-matched | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-doc | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-headers | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-modules | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-modules-core | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-modules-extra | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-tools | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-tools-libs | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-tools-libs-devel | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-uki-virt | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| kernel-uki-virt-addons | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| libperf | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| perf | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| python3-perf | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| rtla | ol 9 | 0:5.14.0-687.23.1.el9_8 |
| rv | ol 9 | 0:5.14.0-687.23.1.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2026-53266 | netfilter: bridge: make ebt_snat ARP rewrite writable | 8.8 | 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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