#VU116820 Buffer overflow in Linux kernel - CVE-2023-53661
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116820
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53661
CWE-ID: CWE-119
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 escalate privileges on the system.
The vulnerability exists due to memory corruption within the bnxt_get_nvram_directory() function in drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/17e0453a7523ad7a25bb47af941b150a6c66d7b6
- https://git.kernel.org/stable/c/7c6dddc239abe660598c49ec95ea0ed6399a4b2a
- https://git.kernel.org/stable/c/d5eaf2a6b077f32a477feb1e9e1c1f60605b460e
- https://git.kernel.org/stable/c/efb1a257513438d43f4335f09b2f684e8167cad2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.30