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CVE-2025-21748

ksmbd: fix integer overflows on 32 bit systems

EPSS 0.2%
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.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391ehttps://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0https://git.kernel.org/stable/c/f3b9fb2764591d792d160f375851013665a9e820https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html