CVE-2023-52619

CVE Details

Release Date:

2024-03-18

Description

In the Linux kernel, the following vulnerability has been resolved:\npstore/ram: Fix crash when setting number of cpus to an odd number\nWhen the number of cpu cores is adjusted to 7 or other odd numbers,\nthe zone size will become an odd number.\nThe address of the zone will become:\naddr of zone0 = BASE\naddr of zone1 = BASE + zone_size\naddr of zone2 = BASE + zone_size*2\n...\nThe address of zone1/3/5/7 will be mapped to non-alignment va.\nEventually crashes will occur when accessing these va.\nSo, use ALIGN_DOWN() to make sure the zone size is even\nto avoid this bug.

See more information about CVE-2023-52619 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	CVSS Vector:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector:	Local network	Attack Complexity:	Low
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 8 (kernel)	ELSA-2024-5101	2024-08-08
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14