CVE-2017-18200

MEDIUMNVD 5.55.5—

5.5

The f2fs implementation in the Linux kernel before 4.14 mishandles reference counts associated with f2fs_wait_discard_bios calls, which allows local users to cause a denial of service (BUG), as demonstrated by fstrim.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 13.2%
KEV: Not listed

Published

February 26, 2018

Last Modified

November 21, 2024

References (4)

cve@mitrehttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=638164a2718f337ea224b747cf5977ef143166a4
cve@mitrehttps://github.com/torvalds/linux/commit/638164a2718f337ea224b747cf5977ef143166a4
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=638164a2718f337ea224b747cf5977ef143166a4
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/638164a2718f337ea224b747cf5977ef143166a4

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:22 UTCepss_batch
2026-06-07 15:22 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
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2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 11:03 UTCEG score recompute
2026-05-28 11:03 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2017-18200?

CVE-2017-18200 is a medium vulnerability published on February 26, 2018. The f2fs implementation in the Linux kernel before 4.14 mishandles reference counts associated with f2fswaitdiscard_bios calls, which allows local users to cause a denial of service (BUG), as demonstrated by fstrim.

When was CVE-2017-18200 disclosed?

CVE-2017-18200 was first published in the National Vulnerability Database on February 26, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-18200 actively exploited?

CVE-2017-18200 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-18200?

CVE-2017-18200 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2017-18200?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-18200, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2017-18200

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2017-18200?

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References (4)

Frequently asked(5)

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