CVE-2025-21748
Published: February 28, 2025Last modified: February 28, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.130-r0) |
| Stream | linux-lts | Fixed (6.6.78-r0) |
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