CVE Database›Document archive›CVE-2014-3122

CVE-2014-3122

Kernel: mm: try_to_unmap_cluster() should lock_page() before mlocking

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Severity

Moderate

Red Hat Product Security

4.9

CVSS 2.0

Review impact separately from score.

Published · March 19, 2013

Updated · November 21, 2025

Description

It was found that the try_to_unmap_cluster() function in the Linux kernel's Memory Managment subsystem did not properly handle page locking in certain cases, which could potentially trigger the BUG_ON() macro in the mlock_vma_page() function. A local, unprivileged user could use this flaw to crash the system.

Statement

This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise Linux 5.

This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 6 may address this issue.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4.9
AV:L/AC:L/Au:N/C:N/I:N/A:C

CWE not specified