7.8high

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 l…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 24%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.31% probability of exploitation in the next 30 days, higher than 24% 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
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

  • support.citrix.com /article/CTX225941 · x_refsource_CONFIRM, x_transferred
  • xenbits.xen.org /xsa/advisory-228.html · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/100346 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2017/dsa-3969 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • openwall.com /lists/oss-security/2017/08/15/3 · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1477651 · x_refsource_MISC, x_transferred
  • security.gentoo.org /glsa/201801-14 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securitytracker.com /id/1039175 · 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.