# CVE-2025-21751: linux: linux - security update

CVE-2025-21751 is fixed in 41 products on 1 platform, first by DEBIAN-CVE-2025-21751, released February 27, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-21751
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 27, 2025

## Description

linux - security update

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | bpftool ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | bpftool ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | bpftool-debuginfo amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-devel amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-headers amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-libbpf amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-libbpf-debuginfo amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-libbpf-static amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-livepatch-6.12.23-29.97 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-tools amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-tools-devel amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel-uek ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-container ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-container ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-container-debug ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-container-debug ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-core ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-core ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug-core ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug-core ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug-devel ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug-modules ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug-modules ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug-modules-extra ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-debug-modules-extra ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-devel ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-devel ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-doc ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-doc ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-modules ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-modules ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-modules-extra ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek-modules-extra ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k-core ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k-core ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k-devel ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k-devel ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k-modules ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k-modules ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k-modules-extra ol 8 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel-uek64k-modules-extra ol 9 | 0:5.15.0-326.222.4.el9uek | [ELSA-2026-500574](https://patchblox.com/security/data/fix/linux/elsa-2026-500574.md) | Nov 7, 2026 |
| Linux | kernel6.12 amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel6.12-debuginfo amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel6.12-debuginfo-common-aarch64 amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel6.12-debuginfo-common-x86_64 amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | kernel6.12-modules-extra amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.12.48-1 | [DSA-6008-1](https://patchblox.com/security/data/fix/linux/dsa-6008-1.md) | Sep 22, 2025 |
| Linux | linux Debian 14 | 6.16.3-1 | [DEBIAN-CVE-2025-21751](https://patchblox.com/security/data/fix/linux/debian-cve-2025-21751.md) | Feb 27, 2025 |
| Linux | perf6.12 amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | perf6.12-debuginfo amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | python3-perf6.12 amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |
| Linux | python3-perf6.12-debuginfo amzn 2023 | 6.12.23-29.97.amzn2023 | [ALAS2023-2025-948](https://patchblox.com/security/data/fix/linux/alas2023-2025-948.md) | Apr 23, 2025 |

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Data as of 2026-11-09T07:25:28Z 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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