PRIOn knowledge basePRION:CVE-2024-26602Spoofing
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.
References
git.kernel.org/stable/c/2441a64070b85c14eecc3728cc87e883f953f265
git.kernel.org/stable/c/24ec7504a08a67247fbe798d1de995208a8c128a
git.kernel.org/stable/c/3cd139875e9a7688b3fc715264032620812a5fa3
git.kernel.org/stable/c/50fb4e17df319bb33be6f14e2a856950c1577dee
git.kernel.org/stable/c/944d5fe50f3f03daacfea16300e656a1691c4a23
git.kernel.org/stable/c/b6a2a9cbb67545c825ec95f06adb7ff300a2ad71
git.kernel.org/stable/c/c5b2063c65d05e79fad8029324581d86cfba7eea
git.kernel.org/stable/c/db896bbe4a9c67cee377e5f6a743350d3ae4acf6
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