Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Midnightbsd | Midnightbsd | < 1.2.6 |
| Freebsd | Freebsd | <= 7.0 |
Related Weaknesses (CWE)
References
- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txtVendor Advisory
- https://www.midnightbsd.org/notes/Release NotesVendor Advisory
- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txtVendor Advisory
- https://www.midnightbsd.org/notes/Release NotesVendor Advisory
FAQ
What is CVE-2020-24385?
CVE-2020-24385 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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. Durin...
How severe is CVE-2020-24385?
CVE-2020-24385 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-24385?
Check the references section above for vendor advisories and patch information. Affected products include: Midnightbsd Midnightbsd, Freebsd Freebsd.