CVE Vulnerability

CVE-2020-24385

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().

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.midnightbsd.org/notes/ Release Notes Vendor Advisory
http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*
cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
Information

Published : 2020-09-03 03:15

Updated : 2020-09-11 02:06

NVD link : CVE-2020-24385

Mitre link : CVE-2020-24385

Products Affected
No products.
CWE
CWE-476