{"uuid": "a5926f74-345f-4601-b9ff-5637079b0bf4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23111", "type": "seen", "source": "https://t.me/pphm_HackerNews/1394", "content": "\ud83d\udd34 One Symbol Broke Linux Security\n\nA Linux kernel nf_tables bug lets local users gain root via use-after-free caused by a logic error; patch removes a single \u201c!\u201d.\n\nCVE-2026-23111 lives in nf_tables, the Linux kernel\u2019s packet filtering framework. Exodus Intelligence researcher Oliver Sieber found the bug in early 2025 and chained it into a full local privilege escalation. The flaw was addressed on February 5, 2026, by simply removing one character from the source code. That character was a !.", "creation_timestamp": "2026-07-22T05:00:04.168793Z"}