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CVE details

CVE-2021-20295

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676) erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in virt:rhel/qemu-kvm via erratum RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059). CVE-2021-20295 was assigned to that Red Hat specific security regression. For more details about the original security issue CVE-2020-10756, refer to bug 1835986 or the CVE page: https://access.redhat.com/security/cve/CVE-2020-10756.

Score
6.5 medium
Published
2022-04-01
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>4.2.0-34</lt></range>
      </package>
      <package>
	<name>qemu-user-static</name>
	<range><lt>4.2.0-34</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>It was discovered that the update for the virt:rhel module in the
	RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676)
	erratum released as part of Red Hat Enterprise Linux 8.3 failed to
	include the fix for the qemu-kvm component issue CVE-2020-10756, which
	was previously corrected in virt:rhel/qemu-kvm via erratum
	RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059).
	CVE-2021-20295 was assigned to that Red Hat specific security
	regression. For more details about the original security issue
	CVE-2020-10756, refer to bug 1835986 or the CVE page:
	https://access.redhat.com/security/cve/CVE-2020-10756.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2021-20295</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2021-20295</url>
    </references>
    <dates>
      <discovery>2022-04-01</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>