CVE-2026-89479

CVE-2026-89479 is a use-after-free in the Linux kernel's SCTP subsystem. In sctp_endpoint_bh_rcv(), a packet's association and transport are cached without holding a reference. A peer can bundle COOKIE ECHO , SHUTDOWN , and SHUTDOWN ACK in a single packet, causing the association to be freed mid-...

PT-2026-90195

In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctp endpoint bh rcv looks the association up only when chunk-asoc is NULL, and caches the result in chunk-asoc and chunk-transport without taking a reference. A pack...