CVE-2025-21748 | BDVDB-2026-268487 Detail
LinuxLinux
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
No weakness recorded in the source data.
References#
- https://git.kernel.org/stable/c/f3b9fb2764591d792d160f375851013665a9e820
- https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391e
- https://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3
- https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67
- https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0
- https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.