5.5

CVE-2024-26602

sched/membarrier: reduce the ability to hammer on sys_membarrier

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.14.0 < 4.19.307
Linux ≫ Linux Kernel Version >= 4.20.0 < 5.4.269
Linux ≫ Linux Kernel Version >= 5.5.0 < 5.10.210
Linux ≫ Linux Kernel Version >= 5.11.0 < 5.15.149
Linux ≫ Linux Kernel Version >= 5.16.0 < 6.1.79
Linux ≫ Linux Kernel Version >= 6.2.0 < 6.6.18
Linux ≫ Linux Kernel Version >= 6.7.0 < 6.7.6
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.234
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
https://git.kernel.org/stable/c/2441a64070b85c14eecc3728cc87e883f953f265
Patch
https://git.kernel.org/stable/c/24ec7504a08a67247fbe798d1de995208a8c128a
Patch
https://git.kernel.org/stable/c/3cd139875e9a7688b3fc715264032620812a5fa3
Patch
https://git.kernel.org/stable/c/50fb4e17df319bb33be6f14e2a856950c1577dee
Patch
https://git.kernel.org/stable/c/944d5fe50f3f03daacfea16300e656a1691c4a23
Patch
https://git.kernel.org/stable/c/b6a2a9cbb67545c825ec95f06adb7ff300a2ad71
Patch
https://git.kernel.org/stable/c/c5b2063c65d05e79fad8029324581d86cfba7eea
Patch
https://git.kernel.org/stable/c/db896bbe4a9c67cee377e5f6a743350d3ae4acf6
Patch