# CVE-2025-40348: kernel-uek: ELSA-2026-50006: Unbreakable Enterprise kernel security update (IMPORTANT)

CVE-2025-40348 is fixed in 57 products on 1 platform, first by ELSA-2026-50006, released January 13, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-40348
- Priority: High
- CVSS: 7.0 (IMPORTANT)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 13, 2026

## Description

ELSA-2026-50006: Unbreakable Enterprise kernel security update (IMPORTANT)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool6.12 amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | bpftool6.12-debuginfo amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel-livepatch-6.12.58-82.121 amzn 2023 | 1:1.0-0.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel-uek ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-core ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-core ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-core ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-core ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-devel ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-devel ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-core ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-core ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-deprecated ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-deprecated ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-desktop ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-desktop ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-extra ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-extra ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-extra-netfilter ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-extra-netfilter ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-usb ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-usb ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-wireless ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-debug-modules-wireless ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-devel ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-devel ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-doc ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-doc ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-core ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-core ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-deprecated ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-deprecated ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-desktop ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-desktop ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-extra ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-extra ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-extra-netfilter ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-extra-netfilter ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-usb ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-usb ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-wireless ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-modules-wireless ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-tools ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek-tools ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-core ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-core ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-devel ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-devel ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-core ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-core ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-deprecated ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-deprecated ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-desktop ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-desktop ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-extra ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-extra ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-extra-netfilter ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-extra-netfilter ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-usb ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-usb ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-wireless ol 10 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel-uek64k-modules-wireless ol 9 | 0:6.12.0-107.59.3.2.el9uek | [ELSA-2026-50006](https://patchblox.com/security/data/fix/linux/elsa-2026-50006.md) | Jan 13, 2026 |
| Linux | kernel6.12 amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-debuginfo amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-debuginfo-common-aarch64 amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-debuginfo-common-x86_64 amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-devel amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-headers amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-libbpf amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-libbpf-debuginfo amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-libbpf-devel amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-libbpf-static amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-modules-extra amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-modules-extra-common amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-tools amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-tools-debuginfo amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | kernel6.12-tools-devel amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | perf6.12 amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | perf6.12-debuginfo amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | python3-perf6.12 amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |
| Linux | python3-perf6.12-debuginfo amzn 2023 | 1:6.12.58-82.121.amzn2023 | [ALAS2023-2026-1495](https://patchblox.com/security/data/fix/linux/alas2023-2026-1495.md) | Mar 16, 2026 |

---

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