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CVE-2020-25741

Date: October 2, 2020

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.

Language: C

Severity Score

3.2

Related Resources (10)

Url: https://access.redhat.com/security/cve/CVE-2020-25741

Url: https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Ffdc_nullptr1

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-25741

Url: https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05295.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-25741

Url: https://security.alpinelinux.org/vuln/CVE-2020-25741

Url: https://security.netapp.com/advisory/ntap-20201009-0005/

Url: https://security-tracker.debian.org/tracker/CVE-2020-25741

Url: http://www.openwall.com/lists/oss-security/2020/09/29/1

Url: https://www.mend.io/vulnerability-database/CVE-2020-25741

Severity Score

3.2

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:	3.2
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	HIGH
User Interaction (UI):	NONE
Scope (S):	CHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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