It was found that KVM's Write to Model Specific Register (WRMSR) instruction emulation would write non-canonical values passed in by the guest to certain MSRs in the host's context. A privileged guest user could use this flaw to crash the host.
Find out more about CVE-2014-3610 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and 7. Future kvm package updates for Red Hat Enterprise Linux 5 may address this issue.
| Base Score | 5.5 |
|---|---|
| Base Metrics | AV:A/AC:L/Au:S/C:N/I:N/A:C |
| Access Vector | Adjacent Network |
| Access Complexity | Low |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux Virtualization 5 (kvm) | RHSA-2015:0869 | 2015-04-22 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | kernel | Not affected |
| Red Hat Enterprise Linux 6 | kernel | Not affected |
Vulmon