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CVE details

CVE-2016-1981

QEMU (aka Quick Emulator) built with the e1000 NIC emulation support is vulnerable to an infinite loop issue. It could occur while processing data via transmit or receive descriptors, provided the initial receive/transmit descriptor head (TDH/RDH) is set outside the allocated descriptor buffer. A privileged user inside guest could use this flaw to crash the QEMU instance resulting in DoS.

Score
5.5 medium
Published
2016-12-29
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
emulators/qemu-cheriqemu-cheri0.d20260108unaddressedbrooks@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>qemu-cheri</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>QEMU (aka Quick Emulator) built with the e1000 NIC emulation support
	is vulnerable to an infinite loop issue. It could occur while
	processing data via transmit or receive descriptors, provided the
	initial receive/transmit descriptor head (TDH/RDH) is set outside the
	allocated descriptor buffer. A privileged user inside guest could use
	this flaw to crash the QEMU instance resulting in DoS.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2016-1981</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2016-1981</url>
    </references>
    <dates>
      <discovery>2016-12-29</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>