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CVE-2025-21775

Description

In the Linux kernel, the following vulnerability has been resolved:can: ctucanfd: handle skb allocation failureIf skb allocation fails, the pointer to struct can_frame is NULL. Thisis actually handled everywhere inside ctucan_err_interrupt() except forthe only place.Add the missed NULL check.Found by Linux Verification Center (linuxtesting.org) with SVACE staticanalysis tool.

POC

Reference

No PoCs from references.

Github

- https://github.com/w4zu/Debian_security