vulnwire
7.8high

CVE-2018-19962

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because sma…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 35%
Public exploits
0
none known

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.

Exploit prediction (EPSS)

0.41% probability of exploitation in the next 30 days, higher than 35% 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-200 Exposure of Sensitive Information to an Unauthorized Actor

References

  • 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
  • xenbits.xen.org /xsa/advisory-275.html · x_refsource_MISC, 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
  • lists.debian.org /debian-lts-announce/2019/10/msg00008.html · mailing-list, x_refsource_MLIST, 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.