CVE-2022-48644

Summary (CVE-2022-48644): A Linux kernel net/sched taprio offload bug could crash the kernel when disabling offload if flags were left at TAPRIO_FLAGS_INVALID after an error path. The code evaluated FULL_OFFLOAD_IS_ENABLED(q->flags) on an invalid flag value (U32_MAX), causing a crash when tapr...

CVE-2022-48644 net/sched: taprio: avoid disabling offload when it was never enabled

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In an incredibly strange API design decision, qdisc-destroy gets called even if qdisc-init never succeeded, not exclusively since commit 87b60cfacf9f "netsched:...