High severity7.8NVD Advisory· Published Jun 28, 2023· Updated Jun 17, 2026
CVE-2023-1295
CVE-2023-1295
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
6- git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/nvdPatch
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/nvdPatch
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/nvdPatch
- kernel.dance/788d0824269bef539fe31a785b1517882eafed93nvdPatch
- kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2nvdPatch
- security.netapp.com/advisory/ntap-20230731-0006/nvdThird Party AdvisoryVDB Entry
News mentions
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