CVE-2026-68379: Linux

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: tcp: fix TIME_WAIT socket reference leak on PSP policy failure Release the TIME_WAIT socket reference and jump to discard_it upon PSP policy failure in both IPv4 and IPv6 receive paths. This prevents a memory leak of tcp_tw_bucket structures.

Affected products

• Linux Linux: from 6.18, before 6.18.42 (fixed in 6.18.42); from 6.19, before 7.1.6 (fixed in 7.1.6)

Published 2026-08-10. Last modified 2026-08-17.