# libudev1 security updates Patch Radar has 37 security fixes for libudev1, closing 28 CVEs. The newest security fix is libudev1 249.11-0ubuntu3.22, released August 11, 2026. - Web page: https://patchblox.com/security/product/linux/libudev1 - Platform: Linux - Supported: yes ## Security fixes, newest first | Fix | Released | Fixed in | Priority | CVEs | Exploited | |---|---|---|---|---:|---:| | [libudev1 249.11-0ubuntu3.22](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libudev1-249.11-0ubuntu3.22.md) | Aug 11, 2026 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.22 | Routine | 2 | 0 | | [libudev1 255.4-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libudev1-255.4-1ubuntu8.17.md) | Aug 11, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.17 | Routine | 2 | 0 | | [libudev1 259.5-0ubuntu3.4](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libudev1-259.5-0ubuntu3.4.md) | Aug 9, 2026 | Ubuntu 26.04.1 LTS (resolute) 259.5-0ubuntu3.4 | Routine | 3 | 0 | | [libudev1 257.9-0ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libudev1-257.9-0ubuntu2.3.md) | Apr 15, 2026 | Ubuntu 25.10 (questing) 257.9-0ubuntu2.3 | High | 2 | 0 | | [libudev1 255.4-1ubuntu8.14](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libudev1-255.4-1ubuntu8.14.md) | Apr 15, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.14 | High | 2 | 0 | | [libudev1 249.11-0ubuntu3.19](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libudev1-249.11-0ubuntu3.19.md) | Apr 15, 2026 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.19 | High | 2 | 0 | | [libudev1 245.4-4ubuntu3.24+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libudev1-245.4-4ubuntu3.24-esm3.md) | Apr 15, 2026 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.24+esm3 | High | 2 | 0 | | [libudev1 249.11-0ubuntu3.21](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libudev1-249.11-0ubuntu3.21.md) | Apr 10, 2026 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.21 | Routine | 2 | 0 | | [libudev1 255.4-1ubuntu8.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libudev1-255.4-1ubuntu8.16.md) | Apr 10, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.16 | Routine | 1 | 0 | | [libudev1 257.9-0ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libudev1-257.9-0ubuntu2.5.md) | Apr 10, 2026 | Ubuntu 25.10 (questing) 257.9-0ubuntu2.5 | Routine | 1 | 0 | | [libudev1 257.4-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libudev1-257.4-1ubuntu3.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 257.4-1ubuntu3.1 | Routine | 1 | 0 | | [libudev1 244.1-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libudev1-244.1-0ubuntu3.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 244.1-0ubuntu3 | High | 1 | 0 | | [libudev1 248.3-1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libudev1-248.3-1ubuntu3.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 248.3-1ubuntu3 | Routine | 1 | 0 | | [libudev1 256.5-2ubuntu3.3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libudev1-256.5-2ubuntu3.3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 256.5-2ubuntu3.3 | Routine | 1 | 0 | | [libudev1 255.2-3ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libudev1-255.2-3ubuntu1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 255.2-3ubuntu1 | Routine | 1 | 0 | | [libudev1 255.2-3ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libudev1-255.2-3ubuntu1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 255.2-3ubuntu1 | Routine | 1 | 0 | | [libudev1 244.1-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libudev1-244.1-0ubuntu3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 244.1-0ubuntu3 | High | 1 | 0 | | [libudev1 248.3-1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libudev1-248.3-1ubuntu3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 248.3-1ubuntu3 | Routine | 1 | 0 | | [libudev1 245.4-4ubuntu3.24+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libudev1-245.4-4ubuntu3.24-esm1.md) | May 30, 2025 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.24+esm1 | Routine | 1 | 0 | | [libudev1 249.11-0ubuntu3.16](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libudev1-249.11-0ubuntu3.16.md) | May 30, 2025 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.16 | Routine | 1 | 0 | | [libudev1 255.4-1ubuntu8.8](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libudev1-255.4-1ubuntu8.8.md) | May 30, 2025 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.8 | Routine | 1 | 0 | | [libudev1 245.4-4ubuntu3.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libudev1-245.4-4ubuntu3.20.md) | Jan 11, 2023 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.20 | Routine | 2 | 0 | | [libudev1 249.11-0ubuntu3.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libudev1-249.11-0ubuntu3.7.md) | Jan 11, 2023 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.7 | Routine | 2 | 0 | | [libudev1 237-3ubuntu10.57](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.57.md) | Nov 8, 2022 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.57 | Routine | 1 | 0 | | [libudev1 237-3ubuntu10.54](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.54.md) | Aug 23, 2022 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.54 | High | 1 | 0 | | [libudev1 245.4-4ubuntu3.15](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libudev1-245.4-4ubuntu3.15.md) | Jan 9, 2022 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.15 | Routine | 1 | 0 | | [libudev1 237-3ubuntu10.49](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.49.md) | Jul 20, 2021 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.49 | Routine | 2 | 0 | | [libudev1 245.4-4ubuntu3.10](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libudev1-245.4-4ubuntu3.10.md) | Jul 20, 2021 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.10 | Routine | 2 | 0 | | [libudev1 237-3ubuntu10.38](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.38.md) | Feb 5, 2020 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.38 | High | 4 | 0 | | [libudev1 244.1-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libudev1-244.1-0ubuntu3.md) | Feb 5, 2020 | Ubuntu 20.04 LTS (focal) 244.1-0ubuntu3 | High | 1 | 0 | | [libudev1 237-3ubuntu10.28](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.28.md) | Sep 2, 2019 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.28 | Routine | 1 | 0 | | [libudev1 237-3ubuntu10.19](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.19.md) | Apr 7, 2019 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.19 | High | 1 | 0 | | [libudev1 237-3ubuntu10.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.13.md) | Feb 18, 2019 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.13 | High | 1 | 0 | | [libudev1 237-3ubuntu10.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.11.md) | Jan 10, 2019 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 | High | 3 | 0 | | [libudev1 237-3ubuntu10.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.6.md) | Oct 25, 2018 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.6 | Routine | 2 | 0 | | [libudev1 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.4.md) | Oct 25, 2018 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.4 | Routine | 1 | 0 | | [libudev1 237-3ubuntu10.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.9.md) | Feb 12, 2018 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.9 | Routine | 1 | 0 | --- Data as of 2026-11-07T12:40:37Z 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 Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.