#VU108459 NULL pointer dereference in Linux kernel - CVE-2023-53079
Published: May 4, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108459
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-2023-53079
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 esw_disable_vport() function in drivers/net/ethernet/mellanox/mlx5/core/eswitch.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/18cead61e437f4c7898acca0a5f3df12f801d97f
- https://git.kernel.org/stable/c/4df1f2d36bdc9a368650bf14b9097c555e95f71d
- https://git.kernel.org/stable/c/63546395a0e6ac264f78f65218086ce6014b4494
- https://git.kernel.org/stable/c/6f5780536181d1d0d09a11a1bc92f22e143447e2
- https://git.kernel.org/stable/c/922f56e9a795d6f3dd72d3428ebdd7ee040fa855
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.177
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.105
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3