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NOTICE UPDATED - April, 25th 2024

NIST has updated the NVD program announcement page with additional information regarding recent concerns and the temporary delays in enrichment efforts.

CVE-2024-26602 Detail

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.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-26602
NVD Published Date:
02/26/2024
NVD Last Modified:
04/17/2024
Source:
kernel.org