CVE & CISA-KEV Catalog

CVE-2014-8086

MEDIUM

4.7

CVSS v3

Description

Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.

CWE-362Race Condition

How to fix

Remediation Available

linuxDebian

Fixed in:3.16.7-ckt2-1CVE-2014-8086

Fixed in:3.16.7-ckt2-1CVE-2014-8086

Fixed in:3.16.7-ckt2-1CVE-2014-8086

Fixed in:3.16.7-ckt2-1CVE-2014-8086

linux-image-3.16.0-28-genericUbuntu

Fixed in:3.16.0-28.37~14.04.1USN-2447-1

linux-image-3.16.0-28-generic-lpaeUbuntu

Fixed in:3.16.0-28.37~14.04.1USN-2447-1

linux-image-3.16.0-28-lowlatencyUbuntu

Fixed in:3.16.0-28.37~14.04.1USN-2447-1

linux-image-3.16.0-28-powerpc-e500mcUbuntu

Fixed in:3.16.0-28.37~14.04.1USN-2447-1

linux-image-3.16.0-28-powerpc-smpUbuntu

Fixed in:3.16.0-28.37~14.04.1USN-2447-1

linux-image-3.16.0-28-powerpc64-embUbuntu

Fixed in:3.16.0-28.37~14.04.1USN-2447-1

linux-image-3.16.0-28-powerpc64-smpUbuntu

Fixed in:3.16.0-28.37~14.04.1USN-2447-1

linux-lts-utopicUbuntu

Fixed in:3.16.0-28.37~14.04.1USN-2447-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.37%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Patch2

Exploit3

Third-Party Advisory6

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.