CVE-2025-21775
Published: February 28, 2025Last modified: February 28, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct can_frame is NULL. This is actually handled everywhere inside ctucan_err_interrupt() except for the only place. Add the missed NULL check. Found by Linux Verification Center (linuxtesting.org) with SVACE static analysis tool.
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 (6.6.82-r0) |
References
- https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef
- https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078
- https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526
- https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb
- https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d