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CVE-2025-71191

dmaengine: at_hdmac: fix device leak on of_dma_xlate()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.249, 5.15.199, 6.1.162, 6.6.122, 6.12.67, and 1 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From bbe89c8e3d598129b728d1388c3ad9abe4e8e261 · fixed in 49d964cde422dc66fea514b7ab24aa729df7081d; From bbe89c8e3d598129b728d1388c3ad9abe4e8e261 · fixed in 4c67b4f45c8540ee4e62e24ca4608c6a9a81ee0f; From bbe89c8e3d598129b728d1388c3ad9abe4e8e261 · fixed in 48b2d7f530b83cb149dbf0e48f95ccadb2d90da9; From bbe89c8e3d598129b728d1388c3ad9abe4e8e261 · fixed in 987c71671367f42460689b78244d7b894c50999a; From bbe89c8e3d598129b728d1388c3ad9abe4e8e261 · fixed in 6a86cf2c09e149d5718a5b7090545f7566da9334; From bbe89c8e3d598129b728d1388c3ad9abe4e8e261 · fixed in f3c23b7e941349505c3d40de2cc0acd93d9ac057; From bbe89c8e3d598129b728d1388c3ad9abe4e8e261 · fixed in b9074b2d7a230b6e28caa23165e9d8bc0677d333

  • Linux Linux

    3.10

  • KernelLinux

    From 3.10.0 · fixed in 5.10.249; From 5.11.0 · fixed in 5.15.199; From 5.16.0 · fixed in 6.1.162; From 6.2.0 · fixed in 6.6.122; From 6.7.0 · fixed in 6.12.67; From 6.13.0 · fixed in 6.18.7

References 7

git.kernel.org