CVE-2020-24385 Information

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().

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt https://www.midnightbsd.org/notes/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5