CVE-2019-17348

medium

Description

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service because of an incompatibility between Process Context Identifiers (PCID) and shadow-pagetable switching.

References

http://www.openwall.com/lists/oss-security/2019/10/25/7

http://xenbits.xen.org/xsa/advisory-294.html

https://xenbits.xen.org/xsa/advisory-294.html

Details

Source: MITRE

Published: 2019-10-08

Updated: 2019-10-25

Type: CWE-20

Risk Information

CVSS v2

Base Score: 4.9

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

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 2

Severity: MEDIUM