Home/CVE/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 dr
CVE

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 dr

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.

MEDIUM · CVSS 5.6 EPSS 0.00137
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

1
xenall versions
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Scoring & Timeline

5.6
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Jun 2016 · 02:06 PM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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