A memory corruption vulnerability was found in the kernel function kern_getfsstat in…
Priority LOW 26CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.00533 45th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:* | before 1.2.7; 1.3 – 2020-08-19 | Vulnerable | MidnightBSD |
| cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | up to 11.4 | Vulnerable | FreeBSD |
- cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:* Versions before 1.2.7; 1.3 – 2020-08-19 Vulnerable ·MidnightBSD
- cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* Versions up to 11.4 Vulnerable ·FreeBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-24863
- 2026-10-03 Alias added: GHSA-qjw3-35px-c96q
References
Exploit 2
Advisory 1
Sources
- CVE-2020-24863 · CVE Program
- CVE-2020-24863 · NVD
- FIRST EPSS
- GHSA-qjw3-35px-c96q · GitHub Advisory Database · CC BY 4.0
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