CVE-2020-24863 Memory corruption in n/a
An attacker can crash the system by triggering an invalid free in the kernel via crafted size and mode values.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-24863?
CVE-2020-24863 is a medium-severity memory corruption vulnerability in Freebsd Freebsd, published on 3 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2020-24863?
It affects 2 products.
Products include Freebsd Freebsd, Midnightbsd Midnightbsd.
How do I fix CVE-2020-24863?
No fix has been published for CVE-2020-24863 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-24863 being exploited?
There is no known exploitation of CVE-2020-24863 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-qjw3-35px-c96q.