CVE-2014-3122
Kernel: mm: try_to_unmap_cluster() should lock_page() before mlocking
Severity
ModerateRed Hat Product Security
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 · 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE not specified