CVE-2025-21775
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.
Does this matter?
Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.22% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.