CVE-2018-10982 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8