CVE-2014-8086
Summary
| CVE | CVE-2014-8086 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2014-10-13 10:55:09 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 4.7 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-362 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 4.7 | MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:L/AC:M/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
| Operating System | Suse | Suse Linux Enterprise Server | 11 | sp2 | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [PATCH] add aio/dio regression test race between write and fcntl V2 (Linux Ext4) | af854a3a-2127-422b-91ae-364da2661108 | www.spinics.net | Mailing List, Patch, Third Party Advisory |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | Third Party Advisory, VDB Entry |
| [PATCH] ext4: fix race between write and fcntl(F_SETFL) (Linux Ext4) | af854a3a-2127-422b-91ae-364da2661108 | www.spinics.net | Exploit, Mailing List, Third Party Advisory |
| LKML: Dmitry Monakhov: Re: ext4: kernel BUG at fs/ext4/inode.c:2959! | af854a3a-2127-422b-91ae-364da2661108 | lkml.org | Exploit, Mailing List, Third Party Advisory |
| Linux Kernel 'ext4/file.c' Local Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| Bug 1151353 – CVE-2014-8086 Kernel: fs: ext4 race condition | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking, Patch, Third Party Advisory |
| LKML: | af854a3a-2127-422b-91ae-364da2661108 | lkml.org | Exploit, Mailing List, Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| [security-announce] SUSE-SU-2015:1478-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Mailing List, Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| oss-security - CVE-2014-8086 - Linux kernel ext4 race condition | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.