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CVE details

CVE-2022-0216

A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The flaw occurs while processing repeated messages to cancel the current SCSI request via the lsi_do_msgout function. This flaw allows a malicious privileged user within the guest to crash the QEMU process on the host, resulting in a denial of service.

Score
4.4 medium
Published
2022-08-26
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>6.0.0</lt></range>
      </package>
      <package>
	<name>qemu-user-static</name>
	<range><lt>6.0.0</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>A use-after-free vulnerability was found in the LSI53C895A SCSI Host
	Bus Adapter emulation of QEMU. The flaw occurs while processing
	repeated messages to cancel the current SCSI request via the
	lsi_do_msgout function. This flaw allows a malicious privileged user
	within the guest to crash the QEMU process on the host, resulting in a
	denial of service.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2022-0216</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2022-0216</url>
    </references>
    <dates>
      <discovery>2022-08-26</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>