Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.19, < 6.1.129 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cefPatch
- https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078Patch
- https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526Patch
- https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fbPatch
- https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36dPatch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
FAQ
What is CVE-2025-21775?
CVE-2025-21775 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ha...
How severe is CVE-2025-21775?
CVE-2025-21775 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-21775?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.