VulnerabilityModified
CVE-2016-7092
The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.
HIGH 8.2EPSS 0.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.
- CVSS 3.0
- 8.2 HIGHCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- xen/xen
- Source
- cve@mitre.org
References
- http://support.citrix.com/article/CTX216071Third Party Advisory
- http://www.debian.org/security/2016/dsa-3663
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/92862Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036751Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-185.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/xsa185.patchPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201611-09
- http://support.citrix.com/article/CTX216071Third Party Advisory
- http://www.debian.org/security/2016/dsa-3663
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/92862Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036751Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-185.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/xsa185.patchPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201611-09
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.