Linux Distros Unpatched Vulnerability : CVE-2026-89478

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sctp: drop a chunk if its transport was removed sctprcv resolves the transport once per packet and leaves it in chunk-transport. The lookup reference, or the on...

DEBIAN-CVE-2026-89478

In the Linux kernel, the following vulnerability has been resolved: sctp: drop a chunk if its transport was removed sctprcv resolves the transport once per packet and leaves it in chunk-transport. The lookup reference, or the one sctpaddbacklog takes if the socket is owned by userspace, keeps it...

CVE-2026-89478 sctp: drop a chunk if its transport was removed

In the Linux kernel, the following vulnerability has been resolved: sctp: drop a chunk if its transport was removed sctprcv resolves the transport once per packet and leaves it in chunk-transport. The lookup reference, or the one sctpaddbacklog takes if the socket is owned by userspace, keeps it...

CVE-2026-89478 sctp: drop a chunk if its transport was removed

In the Linux kernel, the following vulnerability has been resolved: sctp: drop a chunk if its transport was removed sctprcv resolves the transport once per packet and leaves it in chunk-transport. The lookup reference, or the one sctpaddbacklog takes if the socket is owned by userspace, keeps it...

CVE-2026-89478

CVE-2026-89478 is a use-after-free in the Linux kernel's SCTP implementation. An authenticated attacker can send an ASCONF DEL-IP to remove a transport while a DATA chunk is still in flight (on the socket backlog or direct path). The chunk's lingering transport reference causes the transport to b...