Which software versions are affected by CVE-2020-24863?

MidnightBSD versions 1.2.7 and earlier, MidnightBSD versions 1.3 through 2020-08-19, and FreeBSD versions up to 11.4 are affected by CVE-2020-24863.

What is the severity of CVE-2020-24863?

CVE-2020-24863 has a severity score of 5.5, which is considered medium.

How can an attacker exploit CVE-2020-24863?

An attacker can exploit CVE-2020-24863 by triggering an invalid free and crashing the system using a crafted size value in conjunction with an invalid mode.

Where can I find more information about CVE-2020-24863?

You can find more information about CVE-2020-24863 in the following references: [link1], [link2], [link3].

Vulnerability/
CVE-2020-24863

medium

5.5

CWE

787

3/9/2020

4/8/2024

CVE-2020-24863

Q: What is CVE-2020-24863?

CVE-2020-24863 is a memory corruption vulnerability found in the kernel function kern_getfsstat in MidnightBSD and FreeBSD, allowing an attacker to crash the system.

First published: Thu Sep 03 2020(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Midnightbsd Midnightbsd	<1.2.7
Midnightbsd Midnightbsd	>=1.3<=2020-08-19
FreeBSD FreeBSD	<=11.4

Remedy

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

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Reference Links

Frequently Asked Questions

What is CVE-2020-24863?
CVE-2020-24863 is a memory corruption vulnerability found in the kernel function kern_getfsstat in MidnightBSD and FreeBSD, allowing an attacker to crash the system.
Which software versions are affected by CVE-2020-24863?
MidnightBSD versions 1.2.7 and earlier, MidnightBSD versions 1.3 through 2020-08-19, and FreeBSD versions up to 11.4 are affected by CVE-2020-24863.
What is the severity of CVE-2020-24863?
CVE-2020-24863 has a severity score of 5.5, which is considered medium.
How can an attacker exploit CVE-2020-24863?
An attacker can exploit CVE-2020-24863 by triggering an invalid free and crashing the system using a crafted size value in conjunction with an invalid mode.
Where can I find more information about CVE-2020-24863?
You can find more information about CVE-2020-24863 in the following references: [link1], [link2], [link3].

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agent/severity
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agent/type
agent/weakness
agent/event
agent/description
agent/last-modified-date
agent/remedy
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vendor/midnightbsd
canonical/midnightbsd midnightbsd
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version/midnightbsd midnightbsd/2020-08-19
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canonical/freebsd freebsd
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