VDB
CVE-2016-7421
CVE-2016-7421
PUBLISHED
CVSS 4.400000095367432 MEDIUM
The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.
EPSS 0.41% · 32.1th percentile
Risk Scores
CVSS 3.1
4.400000095367432
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.41%
32.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | qemu | *, 2.0.0+dfsg-2ubuntu1.15, 2.0.0+dfsg-2ubuntu1.16 |
| Ubuntu:16.04:LTS | qemu | 1:2.3+dfsg-5ubuntu9, 1:2.3+dfsg-5ubuntu10, 1:2.4+dfsg-4ubuntu1 |
Timeline
- Sep 16, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 21, 2022 EPSS Score
- Jul 13, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Oct 28, 2022 EPSS Score
- Dec 20, 2022 EPSS Score
- Feb 11, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 5, 2023 EPSS Score
- May 28, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-7421 third-party-advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html third-party-advisory
- http://www.openwall.com/lists/oss-security/2016/09/16/3 third-party-advisory
- https://ubuntu.com/security/notices/USN-3125-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-7421 third-party-advisory