Vulnerability Monitor

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CVE-2014-8086

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.

Published

2014-10-13T10:55:09.590

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 4.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

6.9

Weaknesses

Type: Primary
CWE-362

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 3.17	Yes
Operating System	suse	suse_linux_enterprise_server	11	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-0290.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-0694.html Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2014/10/09/25 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/70376 Third Party Advisory, VDB Entry ([email protected])
http://www.spinics.net/lists/linux-ext4/msg45683.html Exploit, Mailing List, Third Party Advisory ([email protected])
http://www.spinics.net/lists/linux-ext4/msg45685.html Mailing List, Patch, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1151353 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/96922 Third Party Advisory, VDB Entry ([email protected])
https://lkml.org/lkml/2014/10/8/545 Exploit, Mailing List, Third Party Advisory ([email protected])
https://lkml.org/lkml/2014/10/9/129 Exploit, Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-0290.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-0694.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/10/09/25 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/70376 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.spinics.net/lists/linux-ext4/msg45683.html Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.spinics.net/lists/linux-ext4/msg45685.html Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1151353 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/96922 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lkml.org/lkml/2014/10/8/545 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lkml.org/lkml/2014/10/9/129 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)