vulnwire
6.5med

CVE-2018-19967

An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) be…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
6.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 40%
Public exploits
0
none known

An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.

Exploit prediction (EPSS)

0.45% probability of exploitation in the next 30 days, higher than 40% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • xenbits.xen.org /xsa/advisory-282.html · x_refsource_MISC, x_transferred
  • support.citrix.com /article/CTX239432 · x_refsource_CONFIRM, 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.opensuse.org /opensuse-security-announce/2019-04/msg00057.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2019-04/msg00072.html · vendor-advisory, x_refsource_SUSE, x_transferred

Sources

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