CVE-2020-6108
CVE-2020-6108 is a high-severity vulnerability in F2fs-tools Project F2fs-tools with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-131.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-131
- Affected product: F2fs-tools Project F2fs-tools
- Published:
- Last modified:
Description
An exploitable code execution vulnerability exists in the fsck_chk_orphan_node functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause a heap buffer overflow resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.
Frequently asked questions
- What is CVE-2020-6108?
- An exploitable code execution vulnerability exists in the fsck_chk_orphan_node functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause a heap buffer overflow resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.
- How severe is CVE-2020-6108?
- CVE-2020-6108 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-6108 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-6108?
- CVE-2020-6108 affects F2fs-tools Project F2fs-tools. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-6108?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-6108 published?
- CVE-2020-6108 was published on 2020-10-15 and last updated on 2026-06-17.
References
- https://security.gentoo.org/glsa/202101-26
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1050
Affected products (1)
- cpe:2.3:a:f2fs-tools_project:f2fs-tools:*:*:*:*:*:*:*:*
More vulnerabilities in F2fs-tools Project F2fs-tools
- CVE-2020-6105 — High (CVSS 7.8): An exploitable code execution vulnerability exists in the multiple devices functionality of F2fs-Tools F2fs.Fsck 1.13.…
- CVE-2020-6070 — High (CVSS 7.8): An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A…
- CVE-2020-6107 — Medium (CVSS 5.5): An exploitable information disclosure vulnerability exists in the dev_read functionality of F2fs-Tools F2fs.Fsck 1.13.…
- CVE-2020-6106 — Medium (CVSS 5.5): An exploitable information disclosure vulnerability exists in the init_node_manager functionality of F2fs-Tools…
- CVE-2020-6104 — Medium (CVSS 5.5): An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools…
All CVEs affecting F2fs-tools Project F2fs-tools →
Other CWE-131 (Incorrect Calculation of Buffer Size) vulnerabilities
- CVE-2026-52955 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in…
- CVE-2026-41676 — Critical (CVSS 9.8): rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.27 to before 0.10.78,…
- CVE-2026-1949 — Critical (CVSS 9.8): Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of…
- CVE-2026-20911 — Critical (CVSS 9.8): A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and…
- CVE-2025-1861 — Critical (CVSS 9.8): In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before 8.4.5, when…
- CVE-2023-5941 — Critical (CVSS 9.8): In versions of FreeBSD 12.4-RELEASE prior to 12.4-RELEASE-p7 and FreeBSD 13.2-RELEASE prior to 13.2-RELEASE-p5 the…
Browse all CWE-131 (Incorrect Calculation of Buffer Size) vulnerabilities →