CVSS 3.0
7.8 highCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HCVE-2017-17563
High (7.8) in xen xen. EPSS 0.4% chance of exploitation in the next 30 days.
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
- CWE
- CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- xen:xen