SB20251008122 - Buffer overflow in Linux kernel broadcom bnxt driver
Published: October 8, 2025 Updated: October 26, 2025
Security Bulletin ID
SB20251008122
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2023-53661)
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 website.
References
- 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