CVE-2025-40364
io_uring: fix io_req_prep_async with provided buffers
HIGH 7.8EPSS 0.3%
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix io_req_prep_async with provided buffers io_req_prep_async() can import provided buffers, commit the ring state by giving up on that before, it'll be reimported later if needed.
- Affected
- Linux
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.28% chance of exploitation in the next 30 days, 20th percentile
- Published
- 2025-04-18
- Updated
- 2026-08-05
Exploit collections (1)
- linux/kernelctf/CVE-2025-40364_lts_cosgoogle/security-research
Security advisories
- https://git.kernel.org/stable/c/233b210a678bddf8b49b02a070074a52b87e6d43
- https://git.kernel.org/stable/c/35ae7910c349fb3c60439992e2e0e79061e95382
- https://git.kernel.org/stable/c/a1b17713b32c75a90132ea2f92b1257f3bbc20f3
- https://git.kernel.org/stable/c/a94592ec30ff67dc36c424327f1e0a9ceeeb9bd3
- https://git.kernel.org/stable/c/b86f1d51731e621e83305dc9564ae14c9ef752bf
- https://git.kernel.org/stable/c/d63b0e8a628e62ca85a0f7915230186bb92f8bb4
- https://git.kernel.org/stable/c/f0ef94553868d07c1b14d7743a7e2553e5a831a3