7.8high

CVE-2017-17564

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privilege…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 29%
Public exploits
0
none known

Summary

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode.

Exploit prediction (EPSS)

0.35% probability of exploitation in the next 30 days, higher than 29% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD2.06.9AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

References

  • xenbits.xen.org /xsa/advisory-250.html · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2018/01/msg00003.html · mailing-list, x_refsource_MLIST, x_transferred
  • lists.debian.org /debian-lts-announce/2018/10/msg00009.html · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/102172 · vdb-entry, x_refsource_BID, x_transferred
  • security.gentoo.org /glsa/201801-14 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securitytracker.com /id/1040770 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • openwall.com /lists/oss-security/2017/12/12/3 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2018/dsa-4112 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • support.citrix.com /article/CTX232096 · 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.