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CVE-2021-3930

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.


Affected Software


CPE Name Name Version
qemu:qemu qemu 6.2.0
redhat:openstack redhat openstack 10
redhat:enterprise_linux redhat enterprise linux 8.0
redhat:openstack redhat openstack 13
redhat:enterprise_linux_for_power_little_endian redhat enterprise linux for power little endian 8.0
redhat:enterprise_linux_for_ibm_z_systems redhat enterprise linux for ibm z systems 8.0
redhat:codeready_linux_builder_for_ibm_z_systems redhat codeready linux builder for ibm z systems 8.0
redhat:codeready_linux_builder_for_power_little_endian redhat codeready linux builder for power little endian 8.0
redhat:codeready_linux_builder redhat codeready linux builder 8.0
redhat:enterprise_linux_advanced_virtualization_eus redhat enterprise linux advanced virtualization eus 8.4
debian:debian_linux debian debian linux 9.0
debian:debian_linux debian debian linux 10.0

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