Resource exhaustion in Qemu
CVE-2016-4037
The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Qemu — versions 2.6.0
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
- Debian Debian_linux — versions 8.0
- Fedoraproject Fedora — versions 22, 23, 24
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Mailing List, Third Party Advisory)
- secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Patch, Mailing List)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Mailing List)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4037?
- CVE-2016-4037 is a medium-severity vulnerability in Qemu, classified under Uncontrolled Resource Consumption. CVSS score: 6.0/10. Published 2016-05-23.
- How severe is CVE-2016-4037?
- Medium severity. CVSS v3 base score is 6.0 out of 10.