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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…
Medium4.7EPSS 0.37%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.37% · top 68% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Weakness
Affected products
n/a
- affected n/a
References (11)
- [linux-kernel] 20141008 ext4: kernel BUG at fs/ext4/inode.c:2959! (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 70376 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [linux-ext4] 20141009 [PATCH] add aio/dio regression test race between write and fcntl (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1151353 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [linux-ext4] 20141009 [PATCH] ext4: fix race between write and fcntl(F_SETFL) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2015:0694 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2015:0290 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2015:1478 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- linux-kernel-cve20148086-dos(96922) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [linux-kernel] 20141009 Re: ext4: kernel BUG at fs/ext4/inode.c:2959! (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20141009 CVE-2014-8086 - Linux kernel ext4 race condition (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2014-8086)Record last updated .