CVE-2025-21775

Medium

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedFeb 27, 2025
First seenFeb 27, 2025

How to fix

Update
  • linux linux_kernel6.1.129, 6.6.79, 6.12.16, 6.13.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.19 ≤ v < 6.1.129, 6.2 ≤ v < 6.6.79, 6.7 ≤ v < 6.12.16, 6.13 ≤ v < 6.13.4, 6.146.1.129, 6.6.79, 6.12.16, 6.13.4

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CVE-2025-21775 · Linux Kernel · Dark Radar