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CVE details

CVE-2021-3544

Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.

Score
6.5 medium
Published
2021-06-02
Links
NVD · cve.org

Affected ports (2)

PortPackageVersionStatusMaintainer
emulators/qemu-cheriqemu-cheri0.d20260108unaddressedbrooks@FreeBSD.org
emulators/qemu-user-staticqemu-user-static3.1.0_16unaddressedemulation@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>
      <package>
	<name>qemu-user-static</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Several memory leaks were found in the virtio vhost-user GPU device
	(vhost-user-gpu) of QEMU in versions up to and including 6.0. They
	exist in contrib/vhost-user-gpu/vhost-user-gpu.c and
	contrib/vhost-user-gpu/virgl.c due to improper release of memory
	(i.e., free) after effective lifetime.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2021-3544</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2021-3544</url>
    </references>
    <dates>
      <discovery>2021-06-02</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>