UpHeron
All vulnerabilities

Servers and applications

CVE-2017-12136

Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.

Severity
High 7.8
Published
24 Aug 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.3% in the next 30 daysHigher than 24% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.9.0
  • Version 4.8.1
  • Version 4.8.0
  • Version 4.7.3
All 13 release lines
  • Version 4.6.0
  • Version 4.6.1
  • Version 4.6.3
  • Version 4.6.4
  • Version 4.6.5
  • Version 4.6.6
  • Version 4.7.0
  • Version 4.7.1
  • Version 4.7.2
  • Version 4.7.3
  • Version 4.8.0
  • Version 4.8.1
  • Version 4.9.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-12136
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-12136