CVE Database›Document archive›CVE-2015-5706

CVE-2015-5706

kernel: Use-after-free in path lookup

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Severity

Moderate

Red Hat Product Security

7.2

CVSS 2.0

Review impact separately from score.

Published · May 9, 2015

Updated · November 21, 2025

Description

A use-after-free flaw was found in the Linux kernels function path_openat() in which incorrectly clears up twice (as part of path_lookupat() called by do_tmpfile()). Clearing twice can lead to a double fput(). A local, unauthenticated user could exploit this flaw to possibly cause a denial of service.

Statement

This issue does not affect any shipping versions of Red Hat Enterprise Linux kernels. The patch causing the incorrect "double put" condition is not applied to any shipping kernel.

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 · 7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C

CWE-416 · Use After Free