CVE-2022-49275 Information

Description

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.

Reference

https://git.kernel.org/stable/c/08d90846e438ac22dc56fc49ec0b0d195831c5ed https://git.kernel.org/stable/c/2e8e79c416aae1de224c0f1860f2e3350fa171f8 https://git.kernel.org/stable/c/31417073493f302d26ab66b3abc098d43227b835 https://git.kernel.org/stable/c/4db7d6f481990dd179a9ee7126dc7aa31ea4fff3 https://git.kernel.org/stable/c/7728d937ec403a1ceff9483023252d2cb8777f81 https://git.kernel.org/stable/c/869016a2938ac44f7b2fb7fc22c89edad99eb9b3 https://git.kernel.org/stable/c/d3892a747ab16b1eb6593a19d29f62c3b3f020ac https://git.kernel.org/stable/c/d93ed9aff64968f4cdad690712eb4f48ae537bde https://git.kernel.org/stable/c/f43e64076ff1b1dcb893fb77ad1204105f710a29