EUVD-2026-12810

In the Linux kernel, the following vulnerability has been resolved: tcp: secureseq: add back ports to TS offset This reverts 28ee1b746f49 "secureseq: downgrade to per-host timestamp offsets" tcptwrecycle went away in 2017. Zhouyan Deng reported off-path TCP source port leakage via SYN cookie...

CVE-2026-23247

CVE-2026-23247 is a Linux kernel TCP/TCP options issue that reintroduces port inclusion in the TS offset to mitigate an off-path TCP source port leakage via a SYN-cookie side-channel. The vulnerability is resolved by reverting a previous downgrade of timestamp offsets and performing a single siph...