CVE-2018-10471

Description

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754.

CVSS Metrics

• v3.0•MEDIUM•Score: 6.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
• v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.06%• Percentile: 19%

Techniques & Countermeasures

• CWE-787•Out-of-bounds Write

  The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

• debian•debian_linux

  9.0

• xen•xen

  ≤ 4.10.1

References (5)

• http://www.securityfocus.com/bid/104003
• https://security.gentoo.org/glsa/201810-06
• https://xenbits.xen.org/xsa/advisory-259.html
• https://www.debian.org/security/2018/dsa-4201
• https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html