Vulnerability Details : 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().
Vulnerability category: Memory Corruption
Products affected by CVE-2020-24385
- cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
- cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*
- cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-24385
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-24385
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-24385
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-24385
-
https://www.midnightbsd.org/notes/
MidnightBSD Release NotesRelease Notes;Vendor Advisory
-
http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt
Vendor Advisory
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