MEDIUM 6.5 Microsoft
CVE-2021-3930
An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU resulting in a denial of service condition.
Microsoft Security Update 2022-Feb: An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU resulting in a denial of service condition.
Affected Products
- cm1 qemu-kvm 4.2.0-38 on CBL Mariner 1.0
- cbl2 qemu 6.2.0-2 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-3930
- https://nvd.nist.gov/vuln/detail/CVE-2021-3930
This medium severity vulnerability with a CVSS score of 6.5 was published on 2022-02-08 via Microsoft. Affected: cm1 qemu-kvm 4.2.0-38 on CBL Mariner 1.0, cbl2 qemu 6.2.0-2 on CBL Mariner 2.0.
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