CVE-2022-49275

can: m_can: m_can_tx_handler(): fix use after free of skb

High · published February 26, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
19.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00281 · 19.6th percentile
Published
2025-02-26T01:56Z
EPSS history
Timeline
  • 26 FEB 01:56Z
    can: m_can: m_can_tx_handler(): fix use after free of skb
    cvelistv5