--- title: "Security\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/blog/tag/security?format=md keywords: index, follow --- # Blog posts tagged "Security" #### [Canonical joins the Open Secure AI Alliance](https://ubuntu.com/blog/open-secure-ai-alliance) Canonical is now part of the Open Secure AI Alliance, announced by NVIDIA with partners across cloud computing, cybersecurity, enterprise software, open... --- Security and Compliance #### [Januscape vulnerability CVE-2026-53359 mitigations available](https://ubuntu.com/blog/januscape-linux-vulnerability-mitigations-available) Introduction A local privilege escalation (LPE) vulnerability affecting the Linux kernel was publicly disclosed on July 6, 2026. The vulnerability was... --- Security and Compliance #### [DirtyClone Linux kernel local privilege escalation vulnerability fixes available](https://ubuntu.com/blog/dirtyclone-linux-vulnerability-fixes-available) On June 25, 2026, JFrog published their research into CVE-2026-43503, referring to the vulnerability as DirtyClone. The vulnerability had previously been... --- Security and Compliance #### [pedit COW kernel local privilege escalation vulnerability mitigations](https://ubuntu.com/blog/pedit-cow-linux-vulnerability-fixes-available) Mitigations are available for the Linux vulnerability with CVE ID CVE-2026-46331. The CVE ID was assigned on June 16 2026 and highlighted as a local privilege... --- Security and Compliance #### [PinTheft Linux kernel vulnerability mitigation](https://ubuntu.com/blog/pintheft-linux-kernel-vulnerability-mitigation) A local privilege escalation (LPE) security vulnerability in the Linux kernel, codename “PinTheft,” was publicly disclosed on May 19, 2026. The vulnerability... --- Company #### [CVE-2026-46333 (ssh-keysign-pwn) Linux kernel vulnerability mitigations](https://ubuntu.com/blog/ssh-keysign-pwn-linux-vulnerability-fixes-available) An information disclosure security vulnerability in the Linux kernel was publicly disclosed on May 15th, 2026. The vulnerability was reported by Qualys and... --- Company #### [Finding the blind spot: How Canonical hunts logic flaws with AI](https://ubuntu.com/blog/finding-the-blind-spot-how-canonical-hunts-logic-flaws-with-ai) AI is accelerating and improving how security engineers find and fix vulnerabilities. A new tool developed and used at Canonical, called Redhound, has already... --- AI #### [Fragnesia Linux kernel local privilege escalation vulnerability mitigations](https://ubuntu.com/blog/fragnesia-linux-vulnerability-fixes-available) A local privilege escalation (LPE) vulnerability affecting the Linux kernel has been publicly disclosed on May 13, 2026. The vulnerability has been assigned... --- Company #### [Dirty Frag Linux kernel local privilege escalation vulnerability mitigations](https://ubuntu.com/blog/dirty-frag-linux-vulnerability-fixes-available) Two local privilege escalation (LPE) vulnerabilities affecting the Linux kernel have been publicly disclosed on May 7, 2026. The vulnerabilities have been... --- Company #### [Fixes available for CVE-2026-31431 (Copy Fail) Linux Kernel Local Privilege Escalation Vulnerability](https://ubuntu.com/blog/copy-fail-vulnerability-fixes-available) A local privilege escalation (LPE) vulnerability affecting the Linux kernel has been publicly disclosed on April 29, 2026. The vulnerability has been assigned... --- Company #### [AppArmor vulnerability fixes available](https://ubuntu.com/blog/apparmor-vulnerability-fixes-available) Qualys discovered several vulnerabilities in the AppArmor code of the Linux kernel. These are being referred to as CrackArmor, while CVE IDs are in the... --- Company #### [Sovereign clouds: enhanced data security with confidential computing](https://ubuntu.com/blog/sovereign-cloud-confidential-computing) Increasingly, enterprises are interested in improving their level of control over their data, achieving digital sovereignty, and even building their own... --- Confidential computing #### [Building quantum-safe telecom infrastructure for 5G and beyond](https://ubuntu.com/blog/building-quantum-safe-telecom-infrastructure-for-5g-and-beyond) coRAN Labs and Canonical at MWC Barcelona 2026 At MWC Barcelona 2026, coRAN Labs and Canonical are presenting a working demonstration of a cloud-native,... --- private mobile network #### [How to build DORA-ready infrastructure with verifiable provenance and reliable support](https://ubuntu.com/blog/build-dora-ready-infrastructure-with-verifiable-provenance) DORA requires organizations to know what they run, where it came from, and how it’s maintained. Learn how to build infrastructure with verifiable provenance. --- Company #### [Extending ROS Noetic Support with ESM-Enabled Content Snaps](https://ubuntu.com/blog/extending-ros-noetic-support-with-esm-enabled-content-snaps) Canonical has now extended its ESM (Expanded Security Maintenance) for ROS coverage to ROS Noetic content-sharing snaps. With ESM for ROS now available in... --- Robotics #### [Canonical achieves ISO 27001 certification](https://ubuntu.com/blog/canonical-achieves-iso-27001-certification) The certification demonstrates alignment with cybersecurity standards that will further safeguard open source products and services for use in the most... --- Canonical announcements 1. *Previous page* 2. [1](https://ubuntu.com/blog/tag/security?format=md&page=1) 3. [2](https://ubuntu.com/blog/tag/security?format=md&page=2) 4. [3](https://ubuntu.com/blog/tag/security?format=md&page=3) 5. [4](https://ubuntu.com/blog/tag/security?format=md&page=4) 6. 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