CVE-2026-80979

In the Linux kernel, the following vulnerability has been resolved: net/smc: unregister the connection before draining the rx tasklet smcconnfree calls smcismunsetconn only while the link group is still on its device list, and never sets conn-killed. smclgrterminatesched unlinks the group...

kernel: net/smc: Fix NULL pointer dereferencing in smc_vlan_by_tcpsk()

A vulnerability was found in the Linux kernel's SMC implementation in the smcvlanbytcpsk function. A potential NULL pointer dereference occurred when handling lower network devices, leading to system crashes and resulting in denial of service...