CVE-2018-10982

HIGH

Xen < 4.10.1 - Denial of Service or Privilege Escalation via vHPET Interrupt Injection

Title source: llm
STIX 2.1

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 (7)

Core 7
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201810-06
Issue Tracking, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/05/msg00015.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4201
Issue Tracking, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/104150
Mailing List, Third Party Advisory x_refsource_confirm
http://openwall.com/lists/oss-security/2018/05/08/2
Mitigation, Patch, Vendor Advisory x_refsource_confirm
https://xenbits.xen.org/xsa/advisory-261.html

Scores

CVSS v3 8.8
EPSS 0.0007
EPSS Percentile 21.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

Status published
Products (4)
debian/debian_linux 7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
xen/xen < 4.10.1
Published May 10, 2018
Tracked Since Feb 18, 2026