NetSight
medium6.5

CVE-2021-3930

An off-by-one error was found in the SCSI device emulation in QEMU.

Impact

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

VendorProductAffected versions
QemuQemu
before 6.2.0
RedhatCodeready Linux Builder
Version 8.0
RedhatCodeready Linux Builder For Ibm Z Systems
Version 8.0
RedhatCodeready Linux Builder For Power Little Endian
Version 8.0
RedhatOpenstack
Versions 10, 13
RedhatEnterprise Linux
Version 8.0
RedhatEnterprise Linux Advanced Virtualization Eus
Version 8.4
RedhatEnterprise Linux For Ibm Z Systems
Version 8.0
RedhatEnterprise Linux For Power Little Endian
Version 8.0
DebianDebian Linux
Versions 9.0, 10.0

Weakness classification

References