Unrated severityNVD Advisory· Published Feb 27, 2025· Updated Nov 3, 2025
ksmbd: fix integer overflows on 32 bit systems
CVE-2025-21748
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- osv-coordsRange: < 6.11.0-1014.15
Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391emitre
- git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3mitre
- git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45mitre
- git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67mitre
- git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0mitre
- git.kernel.org/stable/c/f3b9fb2764591d792d160f375851013665a9e820mitre
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