4.1med

CVE-2016-7094

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denia…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
4.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 34%
Public exploits
0
none known

Summary

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

Exploit prediction (EPSS)

0.39% probability of exploitation in the next 30 days, higher than 34% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.04.1CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD2.01.5AV:L/AC:M/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3663 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/92864 · vdb-entry, x_refsource_BID, x_transferred
  • xenbits.xen.org /xsa/advisory-187.html · x_refsource_CONFIRM, x_transferred
  • support.citrix.com /article/CTX216071 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1036753 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • security.gentoo.org /glsa/201611-09 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • xenbits.xen.org /xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch · x_refsource_CONFIRM, 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.