vulnwire
5.6med

CVE-2018-19965

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0]…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
5.6
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 37%
Public exploits
0
none known

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.

Exploit prediction (EPSS)

0.43% probability of exploitation in the next 30 days, higher than 37% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.6CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD2.04.7AV:L/AC:M/Au:N/C:N/I:N/A:C

References

  • support.citrix.com /article/CTX239432 · x_refsource_CONFIRM, x_transferred
  • xenbits.xen.org /xsa/advisory-279.html · x_refsource_MISC, x_transferred
  • debian.org /security/2019/dsa-4369 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/106182 · vdb-entry, x_refsource_BID, x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7R · vendor-advisory, x_refsource_FEDORA, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2019-04/msg00072.html · vendor-advisory, x_refsource_SUSE, 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.