VDB
CVE-2016-9923
CVE-2016-9923
PUBLISHED
CVSS 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 use this flaw to crash a Qemu process on the host resulting in DoS.
EPSS 1.26% · 69.4th percentile
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.26%
69.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | qemu | *, 1.7.0+dfsg-2ubuntu4, 1.7.0+dfsg-2ubuntu7 |
| Ubuntu:Pro:16.04:LTS | qemu | 1:2.3+dfsg-5ubuntu9, 1:2.4+dfsg-4ubuntu1, 1:2.4+dfsg-4ubuntu2 |
Timeline
- Dec 23, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 22, 2022 EPSS Score
- Jul 15, 2022 EPSS Score
- Sep 7, 2022 EPSS Score
- Oct 30, 2022 EPSS Score
- Dec 22, 2022 EPSS Score
- Feb 14, 2023 EPSS Score
- Apr 8, 2023 EPSS Score
- Jun 1, 2023 EPSS Score
- Jul 24, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-9923 third-party-advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg05597.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-9923 third-party-advisory