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().
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 9%
VendorProductVersion
midnightbsdmidnightbsd
𝑥
< 1.2.6
midnightbsdmidnightbsd
1.3 ≤
𝑥
≤ 2020-08-19
freebsdfreebsd
𝑥
≤ 7.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt
https://www.midnightbsd.org/notes/
http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt
https://www.midnightbsd.org/notes/