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CVE-2015-8839
Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of…
Medium5.1EPSS 0.35%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.1 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.35% · top 71% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Weakness
Affected products
n/a
- affected n/a
References (14)
- https://bugzilla.redhat.com/show_bug.cgi?id=1323577 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3006-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 1035455 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3005-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:2669 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20160401 Re: ext4 data corruption due to punch hole races (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 85798 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2017:2077 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3007-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2017:1842 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update (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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2015-8839)Record last updated .