CVE-2022-49275: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: can: m_can: m_can_tx_handler(): fix use after free of skb can_put_echo_skb() will clone skb then free the skb. Move the can_put_echo_skb() for the m_can version 3.0.x directly before the start of the xmit in hardware, similar to the 3.1.x branch.

Affected products

  • Linux Linux Kernel: from 3.18, before 4.9.324 (fixed in 4.9.324); from 4.10, before 4.14.289 (fixed in 4.14.289); from 4.15, before 4.19.253 (fixed in 4.19.253); from 4.20, before 5.4.207 (fixed in 5.4.207); from 5.5, before 5.10.110 (fixed in 5.10.110); from 5.11, before 5.15.33 (fixed in 5.15.33); …

Published 2025-02-26. Last modified 2026-06-17.