CVE-2024-56645
Not scored
can: j1939: j1939_session_new(): fix skb reference counting
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]
Exploit probability
0.2%
Published
December 27, 2024
Required by
Not available
Last source change
July 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2024-56645
View original source
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]
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/224e606a8d8e8c7db94036272c47a37455667313
- https://git.kernel.org/stable/c/4199dd78a59896e091d3a7a05a77451aa7fd724d
- https://git.kernel.org/stable/c/426d94815e12b6bdb9a75af294fbbafb9301601d
- https://git.kernel.org/stable/c/68fceb143b635cdc59fed3896d5910aff38f345e
- https://git.kernel.org/stable/c/a8c695005bfe6569acd73d777ca298ddddd66105
- https://git.kernel.org/stable/c/b3282c2bebeeb82ceec492ee4972f51ee7a4a132
- https://git.kernel.org/stable/c/f117cba69cbbd496babb3defcdf440df4fd6fe14
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56645.json
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-56645