Red Hat: CVE-2024-26602: kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (Multiple Advisories)
Description
In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: reduce the ability to hammer on sys_membarrier On some systems, sys_membarrier can be very expensive, causing overall slowdowns for everything. So put a lock on the path in order to serialize the accesses to prevent the ability for this to be called at too high of a frequency and saturate the machine.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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