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CVE PROGRAM SOURCE RECORDUnscored

CVE-2024-26602

sched/membarrier: reduce the ability to hammer on sys_membarrier

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 22e4ebb975822833b083533035233d128b30e98f to < 3cd139875e9a7688b3fc715264032620812a5fa3affected
  • 22e4ebb975822833b083533035233d128b30e98f to < 2441a64070b85c14eecc3728cc87e883f953f265affected
  • 22e4ebb975822833b083533035233d128b30e98f to < db896bbe4a9c67cee377e5f6a743350d3ae4acf6affected
  • 22e4ebb975822833b083533035233d128b30e98f to < 50fb4e17df319bb33be6f14e2a856950c1577deeaffected
  • 22e4ebb975822833b083533035233d128b30e98f to < 24ec7504a08a67247fbe798d1de995208a8c128aaffected
  • 22e4ebb975822833b083533035233d128b30e98f to < b6a2a9cbb67545c825ec95f06adb7ff300a2ad71affected
  • 22e4ebb975822833b083533035233d128b30e98f to < c5b2063c65d05e79fad8029324581d86cfba7eeaaffected
  • 22e4ebb975822833b083533035233d128b30e98f to < 944d5fe50f3f03daacfea16300e656a1691c4a23affected

Linux Linux

Default version status: affected

  • 4.14affected
  • 0 to < 4.14unaffected
  • 4.19.307 to ≤ 4.19.*unaffected
  • 5.4.269 to ≤ 5.4.*unaffected
  • 5.10.210 to ≤ 5.10.*unaffected
  • 5.15.149 to ≤ 5.15.*unaffected
  • 6.1.79 to ≤ 6.1.*unaffected
  • 6.6.18 to ≤ 6.6.*unaffected
  • 6.7.6 to ≤ 6.7.*unaffected
  • 6.8 to ≤ *unaffected

References