CVE-2015-7812
UnknownEPSS 0.40%
Last modified
CVE-2015-7812 is a vulnerability of currently unknown severity. The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.4.0 |
| Xen | Xen | 4.4.1 |
| Xen | Xen | 4.4.2 |
| Xen | Xen | 4.4.3 |
| Xen | Xen | 4.5.0 |
| Xen | Xen | 4.5.1 |
| Xen | Xen | 4.5.2 |
| Xen | Xen | 4.6.0 |
References
- http://xenbits.xen.org/xsa/advisory-145.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/advisory-145.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-7812?
The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.
How severe is CVE-2015-7812?
Severity scoring for CVE-2015-7812 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2015-7812?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-7812?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST