CVE-2016-9816
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via...
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
6.5
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
- Record
CVE-2016-9816- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List No score
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
- Record
CVE-2016-9816- Updated
- 2026-11-02
EUVDEUVD-2016-10616 No score
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
- Record
EUVD-2016-10616- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3mch-7p5f-mw9j
6.5
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via...
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
- Record
GHSA-3mch-7p5f-mw9j- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVALPINE-CVE-2016-9816
6.5
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
- Record
ALPINE-CVE-2016-9816- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
6.5
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
- Record
CVE-2016-9816- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-9816
6.5
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
- Record
DEBIAN-CVE-2016-9816- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-9816
6.5
Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at EL2.
- Record
UBUNTU-CVE-2016-9816- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
xenAlpine:v3.10 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.11 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.12 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.13 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.14 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.15 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.16 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.17 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.18 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.19 |
before 4.7.1-r3 | 4.7.1-r3 |
Show 17 moreShow less
| Package | Affected | Fixed |
|---|---|---|
xenAlpine:v3.20 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.21 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.22 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.23 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.24 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.3 |
before 4.6.3-r4 | 4.6.3-r4 |
xenAlpine:v3.4 |
before 4.6.3-r6 | 4.6.3-r6 |
xenAlpine:v3.5 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.6 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.7 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.8 |
before 4.7.1-r3 | 4.7.1-r3 |
xenAlpine:v3.9 |
before 4.7.1-r3 | 4.7.1-r3 |
xenDebian:12 |
before 4.8.0-1 | 4.8.0-1 |
xenDebian:13 |
before 4.8.0-1 | 4.8.0-1 |
xenDebian:14 |
before 4.8.0-1 | 4.8.0-1 |
xenUbuntu:14.04:LTS |
before 4.4.2-0ubuntu0.14.04.9, plus listed versions 4.3.0-1ubuntu14.3.0-1ubuntu24.3.0-1ubuntu34.3.0-1ubuntu44.3.0-1ubuntu5 Show 18 moreShow less4.4.0-0ubuntu34.4.0-0ubuntu44.4.0-0ubuntu54.4.0-0ubuntu5.14.4.0-0ubuntu5.24.4.1-0ubuntu0.14.04.14.4.1-0ubuntu0.14.04.24.4.1-0ubuntu0.14.04.34.4.1-0ubuntu0.14.04.44.4.1-0ubuntu0.14.04.54.4.1-0ubuntu0.14.04.64.4.2-0ubuntu0.14.04.14.4.2-0ubuntu0.14.04.24.4.2-0ubuntu0.14.04.34.4.2-0ubuntu0.14.04.44.4.2-0ubuntu0.14.04.54.4.2-0ubuntu0.14.04.64.4.2-0ubuntu0.14.04.7 |
4.4.2-0ubuntu0.14.04.9 |
xenUbuntu:16.04:LTS |
before 4.6.0-1ubuntu4.3, plus listed versions 4.5.1-0ubuntu14.5.1-0ubuntu24.6.0-1ubuntu14.6.0-1ubuntu24.6.0-1ubuntu44.6.0-1ubuntu4.14.6.0-1ubuntu4.2 |
4.6.0-1ubuntu4.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-9816 is a medium vulnerability (CVSS 6.5) in Xen, published February 27, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. Fixed in xen 4.7.1-r3.
References
xenbits.xen.org/xsa/xsa201-2.patch
xenbits.xen.org/xsa/advisory-201.html
security.gentoo.org/glsa/201612-56
securitytracker.com/id/1037358
openwall.com/lists/oss-security/2016/11/29/3
securityfocus.com/bid/94581