CVE-2023-4611

Public on 2023-08-29

Modified on 2024-03-01

Description

A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind() and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak.

Severity

Medium

See what this means

CVSS v3 Base Score

5.8

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 1	kernel	Not Affected
Amazon Linux 2 - Core	kernel	Not Affected
Amazon Linux 2 - Kernel-5.10 Extra	kernel	Not Affected
Amazon Linux 2 - Kernel-5.15 Extra	kernel	Not Affected
Amazon Linux 2 - Kernel-5.4 Extra	kernel	Not Affected
Amazon Linux 2023	kernel	Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	5.8	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
NVD	CVSSv3	6.3	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2023-4611 Mitre: CVE-2023-4611