CVE-2014-8086

MEDIUM

Linux Kernel < 3.17 - Race Condition

Title source: rule

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.

References (11)

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2015-0290.html

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2015-0694.html

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2014/10/09/25

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/70376

[Exploit, Mailing List, Third Party Advisory] http://www.spinics.net/lists/linux-ext4/msg45683.html

[Mailing List, Patch, Third Party Advisory] http://www.spinics.net/lists/linux-ext4/msg45685.html

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1151353

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/96922

[Exploit, Mailing List, Third Party Advisory] https://lkml.org/lkml/2014/10/8/545

[Exploit, Mailing List, Third Party Advisory] https://lkml.org/lkml/2014/10/9/129

Scores

CVSS v3 4.7

EPSS 0.0004

EPSS Percentile 10.4%

Attack Vector LOCAL

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

Classification

CWE

CWE-362

Status draft

Affected Products (2)

linux/linux_kernel < 3.17

suse/suse_linux_enterprise_server

Timeline

Published Oct 13, 2014

Tracked Since Feb 18, 2026