cve.bz

CVE-2018-19966

8.8 highEPSS 0.4%

High (8.8). EPSS 0.4% chance of exploitation in the next 30 days.

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.

Severity

CVSS 3.0

8.8 high
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE
CWE-436
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON