Description
In the Linux kernel, the following vulnerability has been resolved:
tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()
Use RCU to avoid a pair of atomic operations and a potential UAF on dst_dev()->flags.
Metrics
No CVSS score has been published yet.
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= cf1ef3f0719b4dcb74810ed507e2a2540f9811b4, < d3fe882ed33a1e45921764f4615bf82db79d8dcd; >= cf1ef3f0719b4dcb74810ed507e2a2540f9811b4, < e61dfd906ad027a4ade1f89e5fe706a3fcd52527; >= cf1ef3f0719b4dcb74810ed507e2a2540f9811b4, < bc2b881a0896c111c1041d8bb1f92a3b3873ace5; >= cf1ef3f0719b4dcb74810ed507e2a2540f9811b4, < 06da08d9355bf8e2070459bbedbe372ccc02cc0e; >= cf1ef3f0719b4dcb74810ed507e2a2540f9811b4, < b62a59c18b692f892dcb8109c1c2e653b2abc95c |
| Linux | Linux | 4.12 |
References
- https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e
- https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c
- https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5
- https://git.kernel.org/stable/c/d3fe882ed33a1e45921764f4615bf82db79d8dcd
- https://git.kernel.org/stable/c/e61dfd906ad027a4ade1f89e5fe706a3fcd52527
Timeline
- Published
- Dec 16, 2025
- Last modified
- Oct 30, 2026
- NVD status
- Deferred