CVE-2019-17347

high

Description

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).

References

Advisories
More

https://www.debian.org/security/2020/dsa-4602

https://seclists.org/bugtraq/2020/Jan/21

https://xenbits.xen.org/xsa/advisory-293.html

http://xenbits.xen.org/xsa/advisory-293.html

http://www.openwall.com/lists/oss-security/2019/10/25/8

Details

Source: Mitre, NVD

Published: 2019-10-08

Updated: 2023-02-03

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00143