CVE-2014-7815
Description
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.
Statement
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.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v2 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 5.2 | 5 | N/A |
| Attack Vector | Adjacent Network | Network | N/A |
| Access Complexity | Medium | Low | N/A |
| Authentication | Single | None | N/A |
| Confidentiality Impact | None | None | N/A |
| Integrity Impact | None | None | N/A |
| Availability Impact | Complete | Partial | N/A |
Vector
Red Hat: AV:A/AC:M/Au:S/C:N/I:N/A:C
NVD: AV:N/AC:L/Au:N/C:N/I:N/A:P
Acknowledgements
Red Hat would like to thank James Spadaro (Cisco) for reporting this issue.
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