CVE-2026-52941

In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid NULL deref of conn-lnk in smcmsgevent tracepoint The smcmsgevent tracepoint class, shared by smctxsendmsg and smcrxrecvmsg, unconditionally dereferences smc-conn.lnk: stringname, smc-conn.lnk-ibname conn-lnk is onl...

CVE-2026-52941

Summary: CVE-2026-52941 affects the Linux kernel net/smc stack. The smc_msg_event tracepoint used by smc_tx_sendmsg/smc_rx_recvmsg dereferenced conn.lnk unconditionally, causing a NULL pointer dereference when conn.lnk is NULL on SMC-D, leading to a crash. The fix guards against !conn->lnk and...