CVE-2024-56645

high

Description

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_session_new(): fix skb reference counting Since j1939_session_skb_queue() does an extra skb_get() for each new skb, do the same for the initial one in j1939_session_new() to avoid refcount underflow. [mkl: clean up commit message]

References

https://git.kernel.org/stable/c/f117cba69cbbd496babb3defcdf440df4fd6fe14

https://git.kernel.org/stable/c/b3282c2bebeeb82ceec492ee4972f51ee7a4a132

https://git.kernel.org/stable/c/a8c695005bfe6569acd73d777ca298ddddd66105

https://git.kernel.org/stable/c/68fceb143b635cdc59fed3896d5910aff38f345e

https://git.kernel.org/stable/c/426d94815e12b6bdb9a75af294fbbafb9301601d

https://git.kernel.org/stable/c/4199dd78a59896e091d3a7a05a77451aa7fd724d

https://git.kernel.org/stable/c/224e606a8d8e8c7db94036272c47a37455667313

Details

Source: Mitre, NVD

Published: 2024-12-27

Updated: 2024-12-27

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High