CVE-2014-8173

kernel: NULL pointer dereference in madvise(MADV_WILLNEED) support

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Severity

Moderate

Red Hat Product Security

6.2

CVSS 3.0

Review impact separately from score.

Published · December 20, 2013

Updated · November 21, 2025

Description

A NULL pointer dereference flaw was found in the way the Linux kernel's madvise MADV_WILLNEED functionality handled page table locking. A local, unprivileged user could use this flaw to crash the system.

Statement

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6. This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2. Future updates for the respective releases 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 3.0 · 6.2
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

CWE-476 · NULL Pointer Dereference