VulnerabilityModified
CVE-2020-24863
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…
MEDIUM 5.5EPSS 0.53%
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
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.
- 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
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- midnightbsd/midnightbsd · freebsd/freebsd
- Source
- cve@mitre.org
References
- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txtExploit, Vendor Advisory
- https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.cExploit, Third Party Advisory
- https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.ascPatch, Vendor Advisory
- https://www.midnightbsd.org/notes/Release Notes, Vendor Advisory
- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txtExploit, Vendor Advisory
- https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.cExploit, Third Party Advisory
- https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.ascPatch, Vendor Advisory
- https://www.midnightbsd.org/notes/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.