VulnerabilityModified
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.
MEDIUM 5.5EPSS 0.37%
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.37% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- midnightbsd/midnightbsd · freebsd/freebsd
- Source
- cve@mitre.org
References
- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txtVendor Advisory
- https://www.midnightbsd.org/notes/Release Notes, Vendor Advisory
- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txtVendor Advisory
- https://www.midnightbsd.org/notes/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.