# ELSA-2026-13566: Security update for 30 packages

ELSA-2026-13566, released May 5, 2026, fixes 4 CVEs across 30 products. One of them is being exploited (CVE-2026-31431); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-13566
- Platform: Linux
- Released: May 5, 2026
- Priority: Patch now (Closes CVE-2026-31431, exploited (CISA KEV))
- CVEs: 4, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-13566.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-cross-headers](https://patchblox.com/security/data/product/linux/kernel-cross-headers.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-debug-devel-matched.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-debug-modules-core.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-debug-uki-virt](https://patchblox.com/security/data/product/linux/kernel-debug-uki-virt.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-devel-matched](https://patchblox.com/security/data/product/linux/kernel-devel-matched.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-modules-core](https://patchblox.com/security/data/product/linux/kernel-modules-core.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-modules-extra-matched](https://patchblox.com/security/data/product/linux/kernel-modules-extra-matched.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-uki-virt](https://patchblox.com/security/data/product/linux/kernel-uki-virt.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [kernel-uki-virt-addons](https://patchblox.com/security/data/product/linux/kernel-uki-virt-addons.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [libperf](https://patchblox.com/security/data/product/linux/libperf.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [rtla](https://patchblox.com/security/data/product/linux/rtla.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |
| [rv](https://patchblox.com/security/data/product/linux/rv.md) | ol 10 | 0:6.12.0-124.55.1.el10_1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-31431](https://patchblox.com/security/data/cve/CVE-2026-31431.md) | Patch now | crypto: algif_aead - Revert to operating out-of-place | 8.1 | 0.9811 | CISA KEV |
| [CVE-2026-31402](https://patchblox.com/security/data/cve/CVE-2026-31402.md) | Urgent | kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues  The following security issues wer... | 9.8 | 0.0122 |  |
| [CVE-2026-23270](https://patchblox.com/security/data/cve/CVE-2026-23270.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net/sched: Only allow act_ct to bind to clsact/i... | 8.1 | 0.0014 |  |
| [CVE-2026-31419](https://patchblox.com/security/data/cve/CVE-2026-31419.md) | High | net: bonding: fix use-after-free in bond_xmit_broadcast() | 8.8 | 0.0013 |  |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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