https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T19:39:53.907896+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2023-1295 CVE-2023-1295 — Privilege escalation with IO_RING_OP_CLOSE in the Linux Kernel 2026-09-29T19:39:53.914098+00:00

Affected: Linux Kernel

A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.