Riskcovery

CVE-2024-26602

sched/membarrier: reduce the ability to hammer on sys_membarrier

State
Published
Severity
Not scored
Published
Feb 24, 2024
Updated
May 11, 2026
Reserved
Feb 19, 2024

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 22e4ebb975822833b083533035233d128b30e98f to before 3cd139875e9a7688b3fc715264032620812a5fa3Affected
  • 22e4ebb975822833b083533035233d128b30e98f to before 2441a64070b85c14eecc3728cc87e883f953f265Affected
  • 22e4ebb975822833b083533035233d128b30e98f to before db896bbe4a9c67cee377e5f6a743350d3ae4acf6Affected
  • 22e4ebb975822833b083533035233d128b30e98f to before 50fb4e17df319bb33be6f14e2a856950c1577deeAffected
  • 22e4ebb975822833b083533035233d128b30e98f to before 24ec7504a08a67247fbe798d1de995208a8c128aAffected
  • 22e4ebb975822833b083533035233d128b30e98f to before b6a2a9cbb67545c825ec95f06adb7ff300a2ad71Affected
  • 22e4ebb975822833b083533035233d128b30e98f to before c5b2063c65d05e79fad8029324581d86cfba7eeaAffected
  • 22e4ebb975822833b083533035233d128b30e98f to before 944d5fe50f3f03daacfea16300e656a1691c4a23Affected
LinuxLinux
  • 4.14Affected
  • before 4.14Not affected
  • 4.19.307 through 4.19.*Not affected
  • 5.4.269 through 5.4.*Not affected
  • 5.10.210 through 5.10.*Not affected
  • 5.15.149 through 5.15.*Not affected
  • 6.1.79 through 6.1.*Not affected
  • 6.6.18 through 6.6.*Not affected
  • 6.7.6 through 6.7.*Not affected
  • 6.8 and laterNot affected

References

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