SB20251226262 - Input validation error in Linux kernel octeontx2 af driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226262
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2023-54129)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the link_status_user_format() function in drivers/net/ethernet/marvell/octeontx2/af/cgx.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/5c0268b141ad612b6fca13d3a66cfda111716dbb
- https://git.kernel.org/stable/c/83a7f27c5b94e43f29f8216a32790751139aa61e
- https://git.kernel.org/stable/c/afd7660c766c4d317feae004e5cd829390bbc4b0
- https://git.kernel.org/stable/c/cb5edce271764524b88b1a6866b3e626686d9a33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.32
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4