Improper Input Validation Affecting xen package, versions <4.7.3-r3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-ALPINE35-XEN-1019798
- published21 Oct 2020
- disclosed18 Oct 2017
Introduced: 18 Oct 2017
CVE-2017-15591 (opens in a new tab)How to fix?
Upgrade Alpine:3.5 xen to version 4.7.3-r3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Alpine.
See How to fix? for Alpine:3.5 relevant fixed versions and status.
An issue was discovered in Xen 4.5.x through 4.9.x allowing attackers (who control a stub domain kernel or tool stack) to cause a denial of service (host OS crash) because of a missing comparison (of range start to range end) within the DMOP map/unmap implementation.