What’s Vulnerable › Vulnerabilities

CVE-2020-6107

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-15 · updated 2026-06-17
• Weakness: CWE-253

Description

An exploitable information disclosure vulnerability exists in the dev_read functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause an uninitialized read resulting in an information disclosure. 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-2020-1049
• https://security.gentoo.org/glsa/202101-26
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1049

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