Vulnerability Description
The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 3.2.0 |
Related Weaknesses (CWE)
References
- http://support.citrix.com/article/CTX203451Patch
- http://www.debian.org/security/2016/dsa-3519
- http://www.securityfocus.com/bid/79038
- http://www.securitytracker.com/id/1034391
- http://xenbits.xen.org/xsa/advisory-159.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
- http://support.citrix.com/article/CTX203451Patch
- http://www.debian.org/security/2016/dsa-3519
- http://www.securityfocus.com/bid/79038
- http://www.securitytracker.com/id/1034391
- http://xenbits.xen.org/xsa/advisory-159.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
FAQ
What is CVE-2015-8340?
CVE-2015-8340 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host cra...
How severe is CVE-2015-8340?
CVE-2015-8340 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-8340?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.