CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial...

6.0 MediumFix available

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.37%Down 0.7 points since Apr 14, 2021

What each source reports

NVD Score used 6.0

Record: CVE-2017-15596
CVSS 3.0: 6.0 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0: 4.9 MediumAV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-400
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-15596
Updated: 2026-11-02

EUVDEUVD-2017-7048 No score

Record: EUVD-2017-7048
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9vx2-2784-8w2r 6.0

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial...

Record: GHSA-9vx2-2784-8w2r
CVSS 3.0: 6.0 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

OSVALPINE-CVE-2017-15596 6.0

Record: ALPINE-CVE-2017-15596
CVSS 3.0: 6.0 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated: 2026-11-02

OSV 6.0

Record: CVE-2017-15596
CVSS 3.0: 6.0 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-15596 6.0

Record: DEBIAN-CVE-2017-15596
CVSS 3.0: 6.0 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-15596 6.0

Record: UBUNTU-CVE-2017-15596
CVSS 3.0: 6.0 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`xen` Alpine:v3.4	before 4.6.6-r2	4.6.6-r2
`xen` Alpine:v3.5	before 4.7.3-r3	4.7.3-r3
`xen` Alpine:v3.6	before 4.8.2-r0	4.8.2-r0
`xen` Debian:12	before 4.8.1-1+deb9u3	4.8.1-1+deb9u3
`xen` Debian:13	before 4.8.1-1+deb9u3	4.8.1-1+deb9u3
`xen` Debian:14	before 4.8.1-1+deb9u3	4.8.1-1+deb9u3
`xen` Debian:8	before 4.4.1-9+deb8u10, plus listed versions 4.4.1-94.4.1-9+deb8u14.4.1-9+deb8u24.4.1-9+deb8u34.4.1-9+deb8u4 Show 5 moreShow less 4.4.1-9+deb8u54.4.1-9+deb8u64.4.1-9+deb8u74.4.1-9+deb8u84.4.1-9+deb8u9	4.4.1-9+deb8u10
`xen` Debian:9	before 4.8.1-1+deb9u3, plus listed versions 4.8.1-1+deb9u14.8.1-1+deb9u2	4.8.1-1+deb9u3
`xen` Ubuntu:18.04:LTS	before 4.9.2-0ubuntu1, plus listed versions 4.9.0-0ubuntu34.9.0-0ubuntu4	4.9.2-0ubuntu1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-15596 is a medium vulnerability (CVSS 6.0) in Xen, published September 12, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. Fixed in xen 4.6.6-r2.