CVE-2015-8839

kernel: ext4 filesystem page fault race condition with fallocate call.

Published May 2, 2016 CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2241-1 linux security update
Debian DLA Debian DLA DLA-2241-2 linux security update
EUVD EUVD EUVD-2015-8705 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.
Ubuntu USN Ubuntu USN USN-3005-1 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3006-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3007-1 Linux kernel (Raspberry Pi 2) vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00063}

epss

{'score': 0.00043}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 8:29 AM
Reserved
Apr 1, 2016, 12:00 AM
Status
Modified
Published
May 2, 2016, 10:59 AM
Modified
Jun 17, 2026, 12:35 AM
Severity
Moderate
Public date
Mar 31, 2016, 12:00 AM