CVE-2015-5706
kernel: Use-after-free in path lookup
Severity
ModerateRed Hat Product Security
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 · 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-416 · Use After Free