Vulnerability Description
The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Qemu | Qemu | 1.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3251bdcf1c67427d964517053c3d185b4
- http://openwall.com/lists/oss-security/2015/04/20/7
- http://www.debian.org/security/2015/dsa-3259
- http://www.securityfocus.com/bid/73316
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3251bdcf1c67427d964517053c3d185b4
- http://openwall.com/lists/oss-security/2015/04/20/7
- http://www.debian.org/security/2015/dsa-3259
- http://www.securityfocus.com/bid/73316
FAQ
What is CVE-2014-9718?
CVE-2014-9718 is a vulnerability with a CVSS score of 4.9 (MEDIUM). The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host OS ...
How severe is CVE-2014-9718?
CVE-2014-9718 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-9718?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Qemu Qemu.