CVE-2017-15595

Publication date 18 October 2017

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

8.8 · High

Score breakdown

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.

Read the notes from the security team

Status

Package Ubuntu Release Status
xen 19.04 disco
Not affected
18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 4.9.2-0ubuntu1
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.04 LTS xenial
Fixed 4.6.4-0ubuntu1.4
14.04 LTS trusty Not in release

Notes


mdeslaur

hypervisor packages are in universe. For issues in the hypervisor, add appropriate tags to each section, ex: Tags_xen: universe-binary

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H