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medium5.5

CVE-2024-26602

In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: reduce the ability to hammer on sys_membarrier On some systems, sys_memba…

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.14.0 before 4.19.307
from 4.20.0 before 5.4.269
from 5.5.0 before 5.10.210
from 5.11.0 before 5.15.149
from 5.16.0 before 6.1.79
from 6.2.0 before 6.6.18

References