CVE-2025-68188

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.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-25)

Published

2025-12-16

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

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/e61dfd906ad027a4ade1f89e5fe706a3fcd52527

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