Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 6.1.129 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391ePatch
- https://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3Patch
- https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45Patch
- https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67Patch
- https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0Patch
- https://git.kernel.org/stable/c/f3b9fb2764591d792d160f375851013665a9e820
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
FAQ
What is CVE-2025-21748?
CVE-2025-21748 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 overflo...
How severe is CVE-2025-21748?
CVE-2025-21748 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-21748?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.