Medium 5.5Published Jan 31, 2026

CVE-2025-71191dmaengine: at_hdmac: fix device leak on of_dma_xlate()

Updated under an hour ago (Oct 26, 2026, 4:30 PM ET)

Does this affect you?

It affects Linux and 5 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

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: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from bbe89c8e3d598129b728d1388c3ad9abe4e8e261 before 49d964cde422dc66fea514b7ab24aa729df7081d; from bbe89c8e3d598129b728d1388c3ad9abe4e8e261 before 4c67b4f45c8540ee4e62e24ca4608c6a9a81ee0f; from bbe89c8e3d598129b728d1388c3ad9abe4e8e261 before 48b2d7f530b83cb149dbf0e48f95ccadb2d90da9; from bbe89c8e3d598129b728d1388c3ad9abe4e8e261 before 987c71671367f42460689b78244d7b894c50999a; from bbe89c8e3d598129b728d1388c3ad9abe4e8e261 before 6a86cf2c09e149d5718a5b7090545f7566da9334; from bbe89c8e3d598129b728d1388c3ad9abe4e8e261 before f3c23b7e941349505c3d40de2cc0acd93d9ac057; from bbe89c8e3d598129b728d1388c3ad9abe4e8e261 before b9074b2d7a230b6e28caa23165e9d8bc0677d333	CNA record
Siemens RUGGEDCOM RST2428P siemens:ruggedcom_rst2428p (from the name)	before V4.0	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
linux linux_kernel linux:linux_kernel	from 3.10.1 before 5.10.249; from 5.11 before 5.15.199; from 5.16 before 6.1.162; from 6.2 before 6.6.122; from 6.7 before 6.12.67; from 6.13 before 6.18.7; 3.10; 6.19; and 7 more ranges	NVD

References

References

https://git.kernel.org/stable/c/49d964cde422dc66fea514b7ab24aa729df7081d	patch
https://git.kernel.org/stable/c/4c67b4f45c8540ee4e62e24ca4608c6a9a81ee0f	patch
https://git.kernel.org/stable/c/48b2d7f530b83cb149dbf0e48f95ccadb2d90da9	patch
https://git.kernel.org/stable/c/987c71671367f42460689b78244d7b894c50999a	patch
https://git.kernel.org/stable/c/6a86cf2c09e149d5718a5b7090545f7566da9334	patch
https://git.kernel.org/stable/c/f3c23b7e941349505c3d40de2cc0acd93d9ac057	patch
https://git.kernel.org/stable/c/b9074b2d7a230b6e28caa23165e9d8bc0677d333	patch
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-253495.html
https://cert-portal.siemens.com/productcert/html/ssa-457936.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.