CVE-2018-10982

HIGH

Description

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service (unexpectedly high interrupt number, array overrun, and hypervisor crash) or possibly gain hypervisor privileges by setting up an HPET timer to deliver interrupts in IO-APIC mode, aka vHPET interrupt injection.

References

http://openwall.com/lists/oss-security/2018/05/08/2

http://www.securityfocus.com/bid/104150

https://lists.debian.org/debian-lts-announce/2018/05/msg00015.html

https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html

https://security.gentoo.org/glsa/201810-06

https://www.debian.org/security/2018/dsa-4201

https://xenbits.xen.org/xsa/advisory-261.html

Details

Source: MITRE

Published: 2018-05-10

Updated: 2019-03-21

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 7.2

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

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 8.8

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

Impact Score: 6

Exploitability Score: 2

Severity: HIGH