What’s Vulnerable › Vulnerabilities

CVE-2020-6105

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-15 · updated 2026-06-17
• Weakness: CWE-73

Description

An exploitable code execution vulnerability exists in the multiple devices functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause Information overwrite resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• F2fs-Tools: before 1.14.0 — fixed in 1.14.0

How to fix

Upgrade to a fixed version: F2fs-Tools 1.14.0. Check the vendor advisory for mitigations.

References

• https://security.gentoo.org/glsa/202101-26
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1047
• https://security.gentoo.org/glsa/202101-26
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1047

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