CVE-2025-40364

EUVD-2025-11841
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 22%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.19 ≤
𝑥
< 6.1.129
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.78
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.14
linuxlinux_kernel
6.13 ≤
𝑥
< 6.13.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.159-1
fixed
bookworm (security)
6.1.162-1
fixed
bullseye
5.10.223-1
not-affected
bullseye (security)
5.10.249-1
fixed
forky
6.18.15-1
fixed
sid
6.18.15-1
fixed
trixie
6.12.63-1
fixed
trixie (security)
6.12.73-1
fixed
References
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