Vulnerability Description
Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue. It could occur while hotplug and unplugging the device in the guest. A guest user/process could use this flaw to crash a Qemu process on the host resulting in DoS.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.7.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/12/09/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/94827Third Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201701-49Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/09/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/94827Third Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201701-49Third Party Advisory
FAQ
What is CVE-2016-9923?
CVE-2016-9923 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue. It could occur while hotplug and unplugging the device in the guest. A guest user/process could ...
How severe is CVE-2016-9923?
CVE-2016-9923 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9923?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.