CVE-2024-56645

MEDIUM EPSS 13.0%
Published Dec 27, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Dec 27, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
13.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥5.4  –  <5.4.287
linuxlinux_kernel*≥5.5  –  <5.10.231
linuxlinux_kernel*≥5.11  –  <5.15.174
linuxlinux_kernel*≥5.16  –  <6.1.120
linuxlinux_kernel*≥6.2  –  <6.6.66
linuxlinux_kernel*≥6.7  –  <6.12.5
linuxlinux_kernel6.13any

References 9

  • git.kernel.org https://git.kernel.org/stable/c/224e606a8d8e8c7db94036272c47a37455667313
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4199dd78a59896e091d3a7a05a77451aa7fd724d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/426d94815e12b6bdb9a75af294fbbafb9301601d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/68fceb143b635cdc59fed3896d5910aff38f345e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a8c695005bfe6569acd73d777ca298ddddd66105
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b3282c2bebeeb82ceec492ee4972f51ee7a4a132
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f117cba69cbbd496babb3defcdf440df4fd6fe14
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/224e606a8d8e8c7db94036272c47a37455667313
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4199dd78a59896e091d3a7a05a77451aa7fd724d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/426d94815e12b6bdb9a75af294fbbafb9301601d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/68fceb143b635cdc59fed3896d5910aff38f345e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a8c695005bfe6569acd73d777ca298ddddd66105
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b3282c2bebeeb82ceec492ee4972f51ee7a4a132
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f117cba69cbbd496babb3defcdf440df4fd6fe14
    Patch