CVE-2014-8086

medium

Published 2014-10-13 · Modified 2026-05-06

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CVSS v3

4.7

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

4.7

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.

Predictions

Exploit likelihood

47%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`3.16.7-ckt2-1`
debian	bullseye	fixed	`3.16.7-ckt2-1`
debian	forky	fixed	`3.16.7-ckt2-1`
debian	sid	fixed	`3.16.7-ckt2-1`
debian	trixie	fixed	`3.16.7-ckt2-1`
suse	11	affected
linux-kernel		affected

References

CWEs

CWE-362

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.