CVE-2025-38542

net: appletalk: Fix device refcount leak in atrtr_create()

CVE-2025-38542 is fixed in 9 products on 1 platform, first by DEBIAN-CVE-2025-38542, released August 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

medium

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0019

8th percentile

In the Linux kernel, the following vulnerability has been resolved: net: appletalk: Fix device refcount leak in atrtr_create() When updating an existing route entry in atrtr_create(), the old device reference was not being released before assigning the new device, leading to a device refcount leak. Fix this by calling dev_put() to release the old device reference before holding the new one.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
kernel-uek · ol 8	0:5.4.17-2136.348.3.el7uek	ELSA-2025-20663	Oct 11, 2025
kernel-uek-container · ol 8	0:5.4.17-2136.348.3.el7uek	ELSA-2025-20663	Oct 11, 2025
kernel-uek-container-debug · ol 8	0:5.4.17-2136.348.3.el7uek	ELSA-2025-20663	Oct 11, 2025
kernel-uek-debug · ol 8	0:5.4.17-2136.348.3.el7uek	ELSA-2025-20663	Oct 11, 2025
kernel-uek-debug-devel · ol 8	0:5.4.17-2136.348.3.el7uek	ELSA-2025-20663	Oct 11, 2025
kernel-uek-devel · ol 8	0:5.4.17-2136.348.3.el7uek	ELSA-2025-20663	Oct 11, 2025
kernel-uek-doc · ol 8	0:5.4.17-2136.348.3.el7uek	ELSA-2025-20663	Oct 11, 2025
kernel-uek-tools · ol 8	0:5.4.17-2136.348.3.el7uek	ELSA-2025-20663	Oct 11, 2025
linux · Debian 12.15 (bookworm)	6.1.147-1	DEBIAN-CVE-2025-38542	Aug 16, 2025
linux · Debian 13.5 (trixie)	6.12.41-1	DEBIAN-CVE-2025-38542	Aug 16, 2025
linux · Debian 14	6.16.3-1	DEBIAN-CVE-2025-38542	Aug 16, 2025

Details

Published
August 16, 2025
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38542

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