CVE-2021-20203

Published: 25/02/2021 Updated: 30/09/2022

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 3.2 | Impact Score: 1.4 | Exploitability Score: 1.5

VMScore: 187

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

It exists that the QEMU vhost-user GPU device contained several security issues. An attacker inside the guest could use these issues to cause QEMU to crash, resulting in a denial of service, leak sensitive information, or possibly execute arbitrary code. This issue only affected Ubuntu 21.10. (CVE-2021-3544, CVE-2021-3545, CVE-2021-3546)

Vulnerable Product	Search on Vulmon	Subscribe to Product
qemu qemu
fedoraproject fedora 33
debian debian linux 9.0
debian debian linux 10.0

Several security issues were fixed in QEMU ...

Debian Bug report logs - #984452 CVE-2021-20203 Package: qemu; Maintainer for qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Source for qemu is src:qemu (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Wed, 3 Mar 2021 19:21:09 UTC Severity: normal Tags: security, upst ...

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters A privileged guest user may use this flaw to crash the QEMU process on the host resulting in a denial of service scenario ...

CWE-190 CWE-190 https://bugzilla.redhat.com/show_bug.cgi?id=1922441 https://bugs.launchpad.net/qemu/+bug/1913873 https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html https://security.gentoo.org/glsa/202208-27 https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html https://ubuntu.com/security/notices/USN-5307-1 https://nvd.nist.gov

CVE-2021-20203

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