SUSE CVE-2026-64523

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Take a long-lived file reference at submit handshakenlacceptdoit needs the file pointer backing req-hrsk-sksocket to survive the window between handshakereqnext and the subsequent FDPREPARE and getfile. The...

EUVD-2026-45752

In the Linux kernel, the following vulnerability has been resolved: net/handshake: hand off the pinned file reference to acceptdoit handshakereqnext removes the request from the per-net pending list and drops hnlock before handshakenlacceptdoit reads req-hrsk-sksocket and dereferences sock-file...

net/handshake: duplicate handshake cancellations leak socket

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CVE-2025-68775

CVE-2025-68775 affects the Linux kernel’s net/handshake code. A duplicate handshake cancellation can leave the handshake entry in the rhashtbl and, if a second cancellation occurs without HANDSHAKE_F_REQ_COMPLETED being set, lead to a refcount underflow on the socket. The issue arises when a canc...

PT-2026-2507

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's networking subsystem related to handshake cancellations. Specifically, duplicate cancellation requests for the same handshake request can lead to a...