CVE-2025-71191

dmaengine: at_hdmac: fix device leak on of_dma_xlate()

State: Published
Severity: Not scored
Published: Jan 31, 2026
Updated: Oct 15, 2026
Reserved: Jan 31, 2026

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 49d964cde422dc66fea514b7ab24aa729df7081dAffected bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 4c67b4f45c8540ee4e62e24ca4608c6a9a81ee0fAffected bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 48b2d7f530b83cb149dbf0e48f95ccadb2d90da9Affected bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 987c71671367f42460689b78244d7b894c50999aAffected bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 6a86cf2c09e149d5718a5b7090545f7566da9334Affected bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before f3c23b7e941349505c3d40de2cc0acd93d9ac057Affected bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before b9074b2d7a230b6e28caa23165e9d8bc0677d333Affected
LinuxLinux	3.10Affected before 3.10Not affected 5.10.249 through 5.10.Not affected 5.15.199 through 5.15.Not affected 6.1.162 through 6.1.Not affected 6.6.122 through 6.6.Not affected 6.12.67 through 6.12.Not affected 6.18.7 through 6.18.Not affected 6.19 and laterNot affected

Product

Versions

LinuxLinux

bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 49d964cde422dc66fea514b7ab24aa729df7081dAffected
bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 4c67b4f45c8540ee4e62e24ca4608c6a9a81ee0fAffected
bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 48b2d7f530b83cb149dbf0e48f95ccadb2d90da9Affected
bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 987c71671367f42460689b78244d7b894c50999aAffected
bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before 6a86cf2c09e149d5718a5b7090545f7566da9334Affected
bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before f3c23b7e941349505c3d40de2cc0acd93d9ac057Affected
bbe89c8e3d598129b728d1388c3ad9abe4e8e261 to before b9074b2d7a230b6e28caa23165e9d8bc0677d333Affected

LinuxLinux

3.10Affected
before 3.10Not affected
5.10.249 through 5.10.*Not affected
5.15.199 through 5.15.*Not affected
6.1.162 through 6.1.*Not affected
6.6.122 through 6.6.*Not affected
6.12.67 through 6.12.*Not affected
6.18.7 through 6.18.*Not affected
6.19 and laterNot affected

References

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