#VU32130 Resource management error in QEMU - CVE-2016-8576 

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Main Vulnerability Database Vulnerabilities #VU32130

#VU32130 Resource management error in QEMU - CVE-2016-8576

Published: November 4, 2016 / Updated: July 28, 2020


Vulnerability identifier: #VU32130
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-8576
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

The vulnerability allows a local privileged user to a crash the entire system.

The xhci_ring_fetch function in hw/usb/hcd-xhci.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 the number of link Transfer Request Blocks (TRB) to process. <a href="http://cwe.mitre.org/data/definitions/835.html">CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')</a>


Remediation

Install update from vendor's website.

External links