CVE-2024-46828 sched: sch_cake: fix bulk flow accounting logic for host fairness

In the Linux kernel, the following vulnerability has been resolved: sched: schcake: fix bulk flow accounting logic for host fairness In schcake, we keep track of the count of active bulk flows per host, when running in dst/src host fairness mode, which is used as the round-robin weight when...

CVE-2024-46828

CVE-2024-46828 affects the Linux kernel schedulers, specifically the cake qdisc’s host-fairness logic. A hash-collision interaction could trigger an unintended decrement of per-host bulk-flow counters when a flow’s state changes, and when host fairness is enabled this could wrap a per-host counte...