5.5med
CVE-2016-9923
Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue.
Published 9 y ago · modified 4 mo ago · JSON
CVSS
5.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.3%
percentile 70%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
1.26% probability of exploitation in the next 30 days, higher than 70% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-416 Use After Free
References
- openwall.com /lists/oss-security/2016/12/09/2 · mailing-list, x_refsource_MLIST, x_transferred
- security.gentoo.org /glsa/201701-49 · vendor-advisory, x_refsource_GENTOO, x_transferred
- securityfocus.com /bid/94827 · vdb-entry, x_refsource_BID, x_transferred
Sources
- CVE List: CVE-2016-9923
- NVD: CVE-2016-9923
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