vulnwire
8.8high

CVE-2016-6258

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges b…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 34%
Public exploits
0
none known

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.

Exploit prediction (EPSS)

0.40% probability of exploitation in the next 30 days, higher than 34% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • xenbits.xen.org /xsa/advisory-182.html · x_refsource_CONFIRM, x_transferred
  • xenbits.xen.org /xsa/xsa182-4.6.patch · x_refsource_CONFIRM, x_transferred
  • support.citrix.com /article/CTX214954 · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201611-09 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • xenbits.xen.org /xsa/xsa182-unstable.patch · x_refsource_CONFIRM, x_transferred
  • xenbits.xen.org /xsa/xsa182-4.5.patch · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3633 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securitytracker.com /id/1036446 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/92131 · vdb-entry, x_refsource_BID, x_transferred

Sources

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