CVE Vulnerabilities

CVE-2020-25741

NULL Pointer Dereference

Published: Oct 02, 2020 | Modified: Oct 14, 2020
CVSS 3.x
3.2
LOW
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Qemu Qemu 5.0.0 (including) 5.0.0 (including)

Potential Mitigations

References