SB2025100416 - Use-after-free in Linux kernel octeontx2 nic driver
Published: October 4, 2025
Security Bulletin ID
SB2025100416
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) Use-after-free (CVE-ID: CVE-2025-39944)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the otx2_ptp_destroy() function in drivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2786879aebf363806a13d41e8d5f99202ddd23d9
- https://git.kernel.org/stable/c/5ca20bb7b4bde72110c3ae78423cbfdd0157aa36
- https://git.kernel.org/stable/c/d2cfefa14ce8137b17f99683f968bebf134b6a48
- https://git.kernel.org/stable/c/f8b4687151021db61841af983f1cb7be6915d4ef
- https://git.kernel.org/stable/c/ff27e23b311fed4d25e3852e27ba693416d4c7b3