CVE-2016-9923

low-risk
Published 2016-12-23

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.

Do I need to act?

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0.15% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Qemu

References (6)

Mailing List http://www.openwall.com/lists/oss-security/2016/12/09/2
Third Party Advisory http://www.securityfocus.com/bid/94827
Third Party Advisory https://security.gentoo.org/glsa/201701-49
Mailing List http://www.openwall.com/lists/oss-security/2016/12/09/2
Third Party Advisory http://www.securityfocus.com/bid/94827
Third Party Advisory https://security.gentoo.org/glsa/201701-49
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal