SB20251015110 - Use-after-free in Linux kernel octeontx2 nic driver
Published: October 15, 2025
Security Bulletin ID
SB20251015110
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-2025-39978)
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_tc_add_flow() function in drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/5723120423a753a220b8b2954b273838b9d7e74a
- https://git.kernel.org/stable/c/a8a63f27c3a8a3714210d32b12fd0f16d0337414
- https://git.kernel.org/stable/c/c41b2941a024d4ec7c768e16ffb10a74b188fced
- https://git.kernel.org/stable/c/d9c70e93ec5988ab07ad2a92d9f9d12867f02c56
- https://git.kernel.org/stable/c/df2c071061ed52d2225d97b212d27ecedf456b8a