NULL Pointer Dereference Affecting qemu package, versions *


Severity

Recommended
0.0
low
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.46% (37th percentile)

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  • Snyk IDSNYK-ECHOLATEST-QEMU-18321980
  • published27 Jul 2026
  • disclosed2 Oct 2020

Introduced: 2 Oct 2020

CVE-2020-25741  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest qemu.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1