CVE-2026-80983

CVE-2026-80983 is a socket reference count leak in the Linux kernel's SMC (Stream Mode Communication) networking module, specifically in the smc_switch_conns() function. The function calls sock_hold() before releasing lgr->conns_lock, but when smc_cdc_get_free_slot() fails (e.g., the target li...

CVE-2026-74692

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix TOCTOU race between smclistenout and listener close smclistenout reads lsmc-sk.skstate without the listener lock, then acquires locksocknested only after the check passes. This opens a window where smccloseactive can...