Security Advisory
CVE-2021-3930
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
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.