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.

CVSS v3.0 4.7 MEDIUM
CVSS v2.0 4.7 MEDIUM

4.7^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.7^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://lkml.org/lkml/2014/10/9/129	Exploit Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1151353	Issue Tracking Patch Third Party Advisory
http://www.spinics.net/lists/linux-ext4/msg45685.html	Mailing List Patch Third Party Advisory
https://lkml.org/lkml/2014/10/8/545	Exploit Mailing List Third Party Advisory
http://www.spinics.net/lists/linux-ext4/msg45683.html	Exploit Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/10/09/25	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/70376	Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2015-0290.html	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0694.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html	Mailing List Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/96922	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:*

Information

Published : 2014-10-13 03:55

Updated : 2020-08-14 11:16

NVD link : CVE-2014-8086

Mitre link : CVE-2014-8086

JSON object : View

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Products Affected

suse

suse_linux_enterprise_server

linux

linux_kernel

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