{"uuid": "d1189261-d14c-4201-9cad-02e92556a17e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-80521", "type": "seen", "source": "https://thehackernews.com/2026/09/exploit-released-for-unpatched-ubuntu.html", "content": "A use-after-free in the Linux kernel's AF_UNIX socket subsystem can be used to escape a container and gain root on the host, security firm DepthFirst said in research published September 22.\n\nThe flaw, tracked as CVE-2026-80521 (CVSS score: 7.8), was fixed upstream on August 6, but Ubuntu has not shipped the patch for its 26.04, 24.04, or 22.04 LTS releases. DepthFirst ", "creation_timestamp": "2026-09-23T16:00:43.390500Z"}