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CVE-2020-24385

nvd nist
Published: Sep 3, 2020Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

Description

In MidnightBSD before 1.2.6 and 1.3 before August 2020, and FreeBSD before 7, a NULL pointer dereference was found in the Linux emulation layer that allows attackers to crash the running kernel. During binary interaction, td->td_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().

Affected (3)

Midnightbsd
1 product
Midnightbsd
Freebsd
1 product
Freebsd
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Midnightbsd
Midnightbsd
Before 1.2.6
Midnightbsd
From 1.3 to 2020-08-19
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Freebsd
Up to 7.0

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (4)

Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory

Timeline

No history available yet.