Vulnerability 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]
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.4, < 5.4.287 |
References
- https://git.kernel.org/stable/c/224e606a8d8e8c7db94036272c47a37455667313Patch
- https://git.kernel.org/stable/c/4199dd78a59896e091d3a7a05a77451aa7fd724dPatch
- https://git.kernel.org/stable/c/426d94815e12b6bdb9a75af294fbbafb9301601dPatch
- https://git.kernel.org/stable/c/68fceb143b635cdc59fed3896d5910aff38f345ePatch
- https://git.kernel.org/stable/c/a8c695005bfe6569acd73d777ca298ddddd66105Patch
- https://git.kernel.org/stable/c/b3282c2bebeeb82ceec492ee4972f51ee7a4a132Patch
- https://git.kernel.org/stable/c/f117cba69cbbd496babb3defcdf440df4fd6fe14Patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
FAQ
What is CVE-2024-56645?
CVE-2024-56645 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 s...
How severe is CVE-2024-56645?
CVE-2024-56645 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2024-56645?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.