CVE-2025-21748
Critical · CVSS 9.8- CVSS
- 9.8
- nvd
- EPSS
- —
- KEV
- No
- Class
- oss containerizable
- CWE-190
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.
Affected packages
| Linux | Kernel | 5.15.0 → 5.15.179 |
| Linux | Kernel | 5.16.0 → 6.1.129 |
| Linux | Kernel | 6.13.0 → 6.13.3 |
| Linux | Kernel | 6.2.0 → 6.6.78 |
| Linux | Kernel | 6.7.0 → 6.12.14 |
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
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
Status: profiled · ingested 2026-07-30T12:00:00.000Z