CVE-2022-2153

CVE Details

Release Date:

2022-08-31

Description

A flaw was found in the Linux kernel's KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

See more information about CVE-2022-2153 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access 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 7 (kernel-uek)	ELSA-2022-9709	2022-08-15
Oracle Linux version 7 (kernel-uek-container)	ELSA-2022-9710	2022-08-15
Oracle Linux version 8 (kernel-uek)	ELSA-2022-9709	2022-08-15
Oracle Linux version 8 (kernel-uek-container)	ELSA-2022-9710	2022-08-15

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team