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CVSSv3

CVE-2021-3607

Published: 24/02/2022 Updated: 07/11/2023
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 6 | Impact Score: 4 | Exploitability Score: 1.5
VMScore: 436
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions before 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a large amount of memory, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

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Vendor Advisories

Debian CVElist Bug Report Logs: qemu: CVE-2021-3607
Debian Bug report logs - #990564 qemu: CVE-2021-3607 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Mühlenhoff <jmm@inutilorg> Date: Fri, 2 Jul 2021 08:39:09 UTC Severity: important Tags: security, upstream Found in version qemu/1:52+d ...
Red Hat: CVE-2021-3607
No description is available for this CVE ...
Arch Linux Issues:
An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device It could occur while handling a "PVRDMA_REG_DSRHIGH" write from the guest due to improper input validation A privileged guest user could use this flaw to make QEMU allocate a large amount of memory, resulting in a denial of service ...

References

CWE-190https://bugzilla.redhat.com/show_bug.cgi?id=1973349https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg07925.htmlhttps://security.netapp.com/advisory/ntap-20220318-0002/https://security.gentoo.org/glsa/202208-27https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990564https://nvd.nist.govhttps://access.redhat.com/security/cve/cve-2021-3607
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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