linux: A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's v...
CVE-2023-1295 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-1295, released June 28, 2023. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.14.6-1 | DEBIAN-CVE-2023-1295 | Jun 28, 2023 |
| linux · Debian 13.5 (trixie) | 5.14.6-1 | DEBIAN-CVE-2023-1295 | Jun 28, 2023 |
| linux · Debian 14 | 5.14.6-1 | DEBIAN-CVE-2023-1295 | Jun 28, 2023 |
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