Unrated severityNVD Advisory· Published Jan 31, 2026· Updated Feb 9, 2026
dmaengine: at_hdmac: fix device leak on of_dma_xlate()
CVE-2025-71191
Description
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.
Affected products
2- Linux/Linuxv5Range: 3.10
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- git.kernel.org/stable/c/48b2d7f530b83cb149dbf0e48f95ccadb2d90da9mitre
- git.kernel.org/stable/c/49d964cde422dc66fea514b7ab24aa729df7081dmitre
- git.kernel.org/stable/c/4c67b4f45c8540ee4e62e24ca4608c6a9a81ee0fmitre
- git.kernel.org/stable/c/6a86cf2c09e149d5718a5b7090545f7566da9334mitre
- git.kernel.org/stable/c/987c71671367f42460689b78244d7b894c50999amitre
- git.kernel.org/stable/c/b9074b2d7a230b6e28caa23165e9d8bc0677d333mitre
- git.kernel.org/stable/c/f3c23b7e941349505c3d40de2cc0acd93d9ac057mitre
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