CVE-2018-19406

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5

Description

kvm_pv_send_ipi in arch/x86/kvm/lapic.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where the apic map is uninitialized.

Overview

CVE ID
CVE-2018-19406

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2018-11-21T00:29:01

Last Modified Date
2018-12-19T15:08:00

Weakness Enumerations

CWE	URL
CWE-476	http://cwe.mitre.org/data/definitions/476.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:linux:linux_kernel::::::::	1	OR		4.19.2

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
COMPLETE

Base Score
4.9

Severity
MEDIUM

Exploitability Score
3.9

Impact Score
6.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://lkml.org/lkml/2018/11/20/411	Patch Third Party Advisory
http://www.securityfocus.com/bid/105988	Third Party Advisory VDB Entry

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-19406
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19406

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:49:27				Added to TrackCVE
2022-12-03 14:36:36	2018-11-21T00:29Z	2018-11-21T00:29:01	CVE Published Date	updated
2022-12-03 14:36:36		2018-12-19T15:08:00	CVE Modified Date	updated
2022-12-03 14:36:36		Analyzed	Vulnerability Status	updated