6.7med

CVE-2016-7154

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
6.7
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 43%
Public exploits
0
none known

Summary

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

Exploit prediction (EPSS)

0.50% probability of exploitation in the next 30 days, higher than 43% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.7CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/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
  • securityfocus.com /bid/92863 · vdb-entry, x_refsource_BID, x_transferred
  • xenbits.xen.org /xsa/advisory-188.html · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3663 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • xenbits.xen.org /xsa/xsa188.patch · x_refsource_CONFIRM, x_transferred
  • c7zero.info /stuff/csw2017_ExploringYourSystemDeeper_updated.pdf · x_refsource_MISC, x_transferred
  • support.citrix.com /article/CTX216071 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1036754 · 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.