CVE-2025-21748

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix integer overflows on 32 bit systems

On 32bit systems the addition operations in ipc_msg_alloc() can
potentially overflow leading to memory corruption.
Add bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
LinuxCNA
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
VendorProductVersion
linuxlinux_kernel
5.15 ≤
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
bullseye
5.10.223-1
not-affected
bullseye (security)
5.10.234-1
fixed
bookworm
6.1.129-1
fixed
bookworm (security)
vulnerable
trixie
6.12.20-1
fixed
sid
6.12.21-1
fixed
linux-6.1
bullseye (security)
6.1.129-1~deb11u1
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391e
https://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3
https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45
https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67
https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0
https://git.kernel.org/stable/c/f3b9fb2764591d792d160f375851013665a9e820