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01 Record

CVE-2020-6070

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

MediumPUBLISHEDCNA: talos
CNA base score6.7 CVSS v3.xCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.73% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 77.1% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-08-10 13:13Z6 YR AGO
Last updated
2024-08-04 08:47Z2 YR AGO
Reserved
2020-01-07
Assigning CNA
talos
Record state
PUBLISHED
Severity
Medium (CVSS 6.7)
CNA CVSS vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-131Incorrect Calculation of Buffer SizeBase
Data version
5.1
Document digest
195012ac691fc1e848cca722fcaa7c7195e3da2125b68272a6f4f4815fd6cd6f

05 Affected products

VendorProductVersionsPlatforms
n/aF2fs-toolsF2fs-tools-1.12.0—

06 References

07 Fixed in

Debian 12

  • f2fs-tools
    Fixed in 1.14.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • f2fs-tools
    Fixed in 1.14.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • f2fs-tools
    Fixed in 1.14.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • f2fs-tools
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • f2fs-tools
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • f2fs-tools
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • f2fs-tools
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • f2fs-tools
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 25.10

  • f2fs-tools
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.04 LTS

  • f2fs-tools
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.10

  • f2fs-tools
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.