#VU94959 NULL pointer dereference in Linux kernel - CVE-2024-42138
Published: July 31, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU94959
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-42138
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vfree() function in drivers/net/ethernet/mellanox/mlxsw/core_linecards.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/ab557f5cd993a3201b09593633d04b891263d5c0
- https://git.kernel.org/stable/c/f8b55a465b0e8a500179808166fe9420f5c091a1
- https://git.kernel.org/stable/c/9af7437669b72f804fc4269f487528dbbed142a2
- https://git.kernel.org/stable/c/8ce34dccbe8fa7d2ef86f2d8e7db2a9b67cabfc3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.39