UBUNTU-CVE-2016-7421

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2016-7421
Downstream
USN-3125-1
Published: 16 Sept 2016, 00:00
Last modified:04 Feb 2026, 04:03

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Sept 2016, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 04:03
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • v3.0•MEDIUM•Score: 4.4CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•qemu

    < 2.0.0+dfsg-2ubuntu1.30 | < 1:2.5+dfsg-5ubuntu10.6

References (5)