CVE-2020-6070

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-08-10 · updated 2026-06-17
Weakness: CWE-131

Description

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

F2fs-Tools: 1.12.0
Fedoraproject Fedora: 33

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SZ4HMQKNI35NBWJI6XMJBGWPEKZRR72/
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0988
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SZ4HMQKNI35NBWJI6XMJBGWPEKZRR72/
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0988

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