8.2high

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 vector…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
8.2
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 35%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.40% probability of exploitation in the next 30 days, higher than 35% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.2CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD2.06.8AV:L/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • xenbits.xen.org /xsa/xsa185.patch · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3663 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/92862 · vdb-entry, x_refsource_BID, x_transferred
  • support.citrix.com /article/CTX216071 · x_refsource_CONFIRM, x_transferred
  • xenbits.xen.org /xsa/advisory-185.html · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201611-09 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securitytracker.com /id/1036751 · vdb-entry, x_refsource_SECTRACK, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.