CVE-2014-3940

Kernel: missing check during hugepage migration

Published Jun 5, 2014 CVSS 2.0 · 4.0 Medium EPSS < 1% KEV · Not listed
Description
The Linux kernel through 3.14.5 does not properly consider the presence of hugetlb entries, which allows local users to cause a denial of service (memory corruption or system crash) by accessing certain memory locations, as demonstrated by triggering a race condition via numa_maps read operations during hugepage migration, related to fs/proc/task_mmu.c and mm/mempolicy.c.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2014-3877 The Linux kernel through 3.14.5 does not properly consider the presence of hugetlb entries, which allows local users to cause a denial of service (memory corruption or system crash) by accessing certain memory locations, as demonstrated by triggering a race condition via numa_maps read operations during hugepage migration, related to fs/proc/task_mmu.c and mm/mempolicy.c.
Ubuntu USN Ubuntu USN USN-2288-1 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2290-1 Linux kernel vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 10:57 AM
Reserved
Jun 2, 2014, 12:00 AM
Status
Modified
Published
Jun 5, 2014, 5:55 PM
Modified
Jun 17, 2026, 12:09 AM
Severity
Moderate
Public date
Mar 18, 2014, 12:00 AM