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CVE-2015-8550
Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or…
High8.2EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.2 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 35% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.2.
Weakness
Affected products
n/a
- affected n/a
References (11)
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3519 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 79592 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://xenbits.xen.org/xsa/advisory-155.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:1764 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:1102 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 1034479 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- GLSA-201604-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- DSA-3471 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-3434 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- SUSE-SU-2016:0911 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2015-8550)Record last updated .