CVE-2025-68188
Unknown
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 16, 2025
First seenDec 16, 2025
How to fix
Update
- Linux Linuxd3fe882ed33a1e45921764f4615bf82db79d8dcd, e61dfd906ad027a4ade1f89e5fe706a3fcd52527, bc2b881a0896c111c1041d8bb1f92a3b3873ace5, 06da08d9355bf8e2070459bbedbe372ccc02cc0e, b62a59c18b692f892dcb8109c1c2e653b2abc95c or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 ≤ v < d3fe882ed33a1e45921764f4615bf82db79d8dcd, cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 ≤ v < e61dfd906ad027a4ade1f89e5fe706a3fcd52527, cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 ≤ v < bc2b881a0896c111c1041d8bb1f92a3b3873ace5, cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 ≤ v < 06da08d9355bf8e2070459bbedbe372ccc02cc0e, cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 ≤ v < b62a59c18b692f892dcb8109c1c2e653b2abc95c, 4.12 | d3fe882ed33a1e45921764f4615bf82db79d8dcd, e61dfd906ad027a4ade1f89e5fe706a3fcd52527, bc2b881a0896c111c1041d8bb1f92a3b3873ace5, 06da08d9355bf8e2070459bbedbe372ccc02cc0e, b62a59c18b692f892dcb8109c1c2e653b2abc95c |
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