CVE-2024-56645

MEDIUM

Linux Kernel - Use-After-Free in CAN J1939 Session SKB Handling

Title source: llm
STIX 2.1

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 (9)

Core 9

Scores

CVSS v3 5.5
EPSS 0.0023
EPSS Percentile 13.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (24)
linux/Kernel 5.11.0 - 5.15.174linux
linux/Kernel 5.16.0 - 6.1.120linux
linux/Kernel 5.4.0 - 5.4.287linux
linux/Kernel 5.5.0 - 5.10.231linux
linux/Kernel 6.2.0 - 6.6.66linux
linux/Kernel 6.7.0 - 6.12.5linux
Linux/Linux < 5.4
Linux/Linux 5.10.231 - 5.10.*
Linux/Linux 5.15.174 - 5.15.*
Linux/Linux 5.4
... and 14 more
Published Dec 27, 2024
Tracked Since Feb 18, 2026