CVE Vulnerability

CVE-2019-17346

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 of an incompatibility between Process Context Identifiers (PCID) and TLB flushes.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2 / Impact : 6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://xenbits.xen.org/xsa/advisory-292.html Vendor Advisory
http://www.openwall.com/lists/oss-security/2019/10/25/5 Mailing List
http://xenbits.xen.org/xsa/advisory-292.html Patch Vendor Advisory
https://www.debian.org/security/2020/dsa-4602 Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/21 Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2019-10-08 01:15

Updated : 2023-02-03 08:23

NVD link : CVE-2019-17346

Mitre link : CVE-2019-17346

Products Affected
No products.
CWE
CWE-20