The nfs_can_extend_write function in fs/nfs/write.c in the Linux kernel before 3.13.3 relies on a write delegation to extend a write operation without a certain up-to-date verification, which allows local users to obtain sensitive information from kernel memory in opportunistic circumstances by writing to a file in an NFS filesystem and then reading the same file.
Advisories
Source ID Title
EUVD EUVD EUVD-2014-2090 The nfs_can_extend_write function in fs/nfs/write.c in the Linux kernel before 3.13.3 relies on a write delegation to extend a write operation without a certain up-to-date verification, which allows local users to obtain sensitive information from kernel memory in opportunistic circumstances by writing to a file in an NFS filesystem and then reading the same file.
Ubuntu USN Ubuntu USN USN-2137-1 Linux kernel (Saucy HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2140-1 Linux kernel vulnerabilities
Fixes

Solution

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Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T09:58:16.169Z

Reserved: 2014-02-19T00:00:00

Link: CVE-2014-2038

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2014-02-28T06:18:54.617

Modified: 2025-04-12T10:46:40.837

Link: CVE-2014-2038

cve-icon Redhat

Severity : Low

Publid Date: 2014-01-17T00:00:00Z

Links: CVE-2014-2038 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses