CVE-2024-26602

CVE Details

Release Date:	2024-02-24
Impact:	Moderate	What is this?

Description

In the Linux kernel, the following vulnerability has been resolved:\nsched/membarrier: reduce the ability to hammer on sys_membarrier\nOn some systems, sys_membarrier can be very expensive, causing overall\nslowdowns for everything. So put a lock on the path in order to\nserialize the accesses to prevent the ability for this to be called at\ntoo high of a frequency and saturate the machine.

See more information about CVE-2024-26602 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	4.7
Vector String:	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	High
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel)	ELSA-2024-1249	2024-03-20
Oracle Linux version 8 (kernel)	ELSA-2024-3138	2024-05-23
Oracle Linux version 9 (kernel)	ELSA-2024-2394	2024-05-02