VULNERABILITY INTELLIGENCE
CVE-2015-3456
CVSS score7.7 HIGH
EPSS probability15.28%
CISA KEVNot currently listed
Published2015-05-13
Last modified2026-06-17
CVSS vectorAV:A/AC:L/Au:S/C:C/I:C/A:C
Description
The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer