kernel: net/sched: accept TCA_STAB only for root qdisc

A flaw was found in the Linux kernel's network scheduler. A local attacker with low privileges could exploit a vulnerability related to the handling of the TCASTAB traffic control attribute when used with certain queueing disciplines qdiscs like TBF and SFQ. This improper handling can lead to a...

AZL-51482 CVE-2024-50039 affecting package kernel for versions less than 6.6.57.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: accept TCASTAB only for root qdisc Most qdiscs maintain their backlog using qdiscpktlenskb on the assumption it is invariant between the enqueue and dequeue handlers. Unfortunately syzbot can crash a host rather easily...

UBUNTU-CVE-2024-50039

In the Linux kernel, the following vulnerability has been resolved: net/sched: accept TCASTAB only for root qdisc Most qdiscs maintain their backlog using qdiscpktlenskb on the assumption it is invariant between the enqueue and dequeue handlers. Unfortunately syzbot can crash a host rather easily...