CVE 2015-8340
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.
Related bugs and status
CVE-2015-8340 (Candidate) is related to these bugs:
Bug #1671760: Xen HVM guests running linux 4.10 fail to boot on Intel hosts
Bug #1671864: Xen stable update to 4.6.5
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1671864 | Xen stable update to 4.6.5 | xen (Ubuntu) | Medium | Invalid | ||
| 1671864 | Xen stable update to 4.6.5 | xen (Ubuntu Xenial) | Medium | Fix Released | ||
See the 
CVE page on Mitre.org
for more details.
