CVE-2026-74288

The vulnerability CVE-2026-74288 affects the Linux kernel, specifically in the networking subsystem’s fib_rules handling. The issue arises in net: fib_rules_dump() when rocker_router_fib_event() calls fib_rule_get() during an RCU dump and encounters a dying fib_rule whose refcount is zero or bein...

CVE-2026-74288: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: fibrules: Don't dump dying fibrule in fibrulesdump. rockerrouterfibevent calls fibruleget during RCU dump. If the fibrule is dying, refcountinc will complain about it. Let's call refcountincnotzero in fibrulesdump...