MEDIUM 6.0 Microsoft
CVE-2021-3607
An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 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.
Microsoft Security Update 2022-Feb: An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 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.
Affected Products
- cm1 qemu-kvm 4.2.0-38 on CBL Mariner 1.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-3607
- https://nvd.nist.gov/vuln/detail/CVE-2021-3607
This medium severity vulnerability with a CVSS score of 6.0 was published on 2022-02-08 via Microsoft. Affected: cm1 qemu-kvm 4.2.0-38 on CBL Mariner 1.0.
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