CVE-2019-17347

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://xenbits.xen.org/xsa/advisory-293.html	Vendor Advisory
http://www.openwall.com/lists/oss-security/2019/10/25/8
http://xenbits.xen.org/xsa/advisory-293.html
https://www.debian.org/security/2020/dsa-4602
https://seclists.org/bugtraq/2020/Jan/21

Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Information

Published : 2019-10-08 01:15

Updated : 2019-10-25 15:15

NVD link : CVE-2019-17347

Mitre link : CVE-2019-17347

JSON object : View

Products Affected

xen

xen

CWE

CWE-20

Improper Input Validation

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