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THREAT OPS › Threat News › [NVD] CVE-2026-68118 (HIGH 8.2) — In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcp_check_req() accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefo

[NVD] CVE-2026-68118 (HIGH 8.2) — In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcp_check_req() accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefo

mednvdPublished 2026-08-10

CVE-2026-68118 CVSS: 8.2 HIGH Published: 2026-08-10T13:19:56.850

In the Linux kernel, the following vulnerability has been resolved:

tcp: challenge ACK for non-exact RST in SYN-RECEIVED

The SYN-RECEIVED request-socket path in tcp_check_req() accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request instead of eliciting a challeng

Indicators of compromise

CVE-2026-68118cve
3.10.7.4ipv4

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-68118