Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ets qdisc OOB Indexing Haowei Yan discovered that etsclassfromarg can index an Out-Of-Bound class when the clid of 0 is passed. This may lead to local privilege escalation. 18.852298 ------------ Cut here ---...

The vulnerability of the ets_class_from_arg() function in the net/sched/sch_ets.c module of the net/sched subsystem of the Linux operating system allows a hacker to gain unauthorized access to protected information.

The vulnerability of the etsclassfromarg function in the net/sched/schets.c module of the net/sched subsystem of the Linux operating system lies in the handling of buffer overflow attacks. Exploiting this vulnerability could allow an attacker to gain unauthorized access to protected information...