An uninitialized data structure use flaw was found in the way the set_pixel_format() function sanitized the value of bits_per_pixel. An attacker able to access a guest's VNC console could use this flaw to crash the guest.
Find out more about CVE-2014-7815 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the kvm package as shipped with Red Hat Enterprise
Linux 5. Future qemu-kvm updates for Red Hat Enterprise Linux 6 and 7 may address this issue.
| Base Score | 5.2 |
|---|---|
| Base Metrics | AV:A/AC:M/Au:S/C:N/I:N/A:C |
| Access Vector | Adjacent Network |
| Access Complexity | Medium |
| 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 Virtualization 4 Management Agent for RHEL 7 Hosts (qemu-kvm-rhev) | RHSA-2015:0624 | 2015-03-05 |
| Red Hat Enterprise Linux 7 (qemu-kvm) | RHSA-2015:0349 | 2015-03-05 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | qemu-kvm | Will not fix |
| Red Hat Enterprise Linux 5 | kvm | Not affected |
Vulmon