CVE-2016-5242
The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding…
Does this matter?
Lower severity and a low EPSS score (0.34%). Track it; it rarely justifies an emergency change on its own.
Description
The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.
- CVSS 3.0
- 5.6 MEDIUMCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 0.34% probability · 27th percentile
- CISA KEV
- Not listed
- Affected
- xen/xen
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2016/dsa-3633
- http://www.securityfocus.com/bid/91015
- http://www.securitytracker.com/id/1036035
- http://xenbits.xen.org/xsa/advisory-181.htmlVendor Advisory
- http://www.debian.org/security/2016/dsa-3633
- http://www.securityfocus.com/bid/91015
- http://www.securitytracker.com/id/1036035
- http://xenbits.xen.org/xsa/advisory-181.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.