CVE-2025-71191

MEDIUM

In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_hdmac: fix device leak on of_dma_xlate() Make sure to drop the reference taken when looking up the DMA platform device during of_dma_xlate() when releasing channel resources. Note that commit 3832b78b3ec2 ("dmaengine: at_hdmac: add missing put_device() call in at_dma_xlate()") fixed the leak in a couple of error paths but the reference is still leaking on successful allocation.

CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 1/31/2026Modified: 7/14/2026

Related Intelligence (1)

CRITICALAi

Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-209-04.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fix versions and recommend

CVE-2021-41617CVE-2023-28531
CISA Advisories

References (9)

https://git.kernel.org/stable/c/48b2d7f530b83cb149dbf0e48f95ccadb2d90da9Patchhttps://git.kernel.org/stable/c/49d964cde422dc66fea514b7ab24aa729df7081dPatchhttps://git.kernel.org/stable/c/4c67b4f45c8540ee4e62e24ca4608c6a9a81ee0fPatchhttps://git.kernel.org/stable/c/6a86cf2c09e149d5718a5b7090545f7566da9334Patchhttps://git.kernel.org/stable/c/987c71671367f42460689b78244d7b894c50999aPatchhttps://git.kernel.org/stable/c/b9074b2d7a230b6e28caa23165e9d8bc0677d333Patchhttps://git.kernel.org/stable/c/f3c23b7e941349505c3d40de2cc0acd93d9ac057Patchhttps://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-253495.html