kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier

A flaw was found in sysmembarrier in the Linux kernel in sched/membarrier in how a user calls it at too high of a frequency. This flaw allows a local user to saturate the machine...

kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier

A flaw was found in sysmembarrier in the Linux kernel in sched/membarrier in how a user calls it at too high of a frequency. This flaw allows a local user to saturate the machine...

The vulnerability of the `sys_membarrier` function in the `membarrier` component of the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the sysmembarrier function in the membarrier component of the Linux operating system’s kernel is related to uncontrolled resource consumption. Exploiting this vulnerability could allow an attacker to cause a service failure...

AZL-40024 CVE-2024-26602 affecting package hyperv-daemons for versions less than 6.6.35.1-1

In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: reduce the ability to hammer on sysmembarrier On some systems, sysmembarrier can be very expensive, causing overall slowdowns for everything. So put a lock on the path in order to serialize the accesses to preve...