CVE-2020-24863

Description

A memory corruption vulnerability was found in the kernel function kern_getfsstat in MidnightBSD before 1.2.7 and 1.3 through 2020-08-19, and FreeBSD through 11.4, that allows an attacker to trigger an invalid free and crash the system via a crafted size value in conjunction with an invalid mode.

References

https://www.midnightbsd.org/notes/

https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc

https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c

http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS