#VU116493 Memory leak in Linux kernel - CVE-2023-53546
Published: October 4, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116493
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-2023-53546
CWE-ID: CWE-401
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 memory leak within the mlx5dr_cmd_create_reformat_ctx() function in drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/00cecb0a8f9e7a21754d5ad85813ab6b47b3308f
- https://git.kernel.org/stable/c/165159854757dbae0dfd1812b27051da35aa6223
- https://git.kernel.org/stable/c/3169c3854397f3070a63b1b772db16dcb8cba7b4
- https://git.kernel.org/stable/c/5dd77585dd9d0e03dd1bceb95f0269a7eaf6b936
- https://git.kernel.org/stable/c/622d71d99124e69f7bf2e2b7a89f5f444a24d235
- https://git.kernel.org/stable/c/800d8c96bf997da5eb76ccf8d88795c4231c83fb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.253