What is CVE-2026-53376?

CVE-2026-53376 is a unscored severity Linux kernel vulnerability. CVE-2026-53376 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-53376?

CVE-2026-53376 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-53376?

Yes, CVE-2026-53376 has been patched. Fixed versions include 6.6.140, 6.12.90, 6.18.32 and others.

Is CVE-2026-53376 actively exploited?

CVE-2026-53376 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-53376

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)

Package Linux Kernel

Published 2026-07-19

Last modified 2026-07-19

Patch available

Yes

Affected versions

Fixed in 6.6.140, 6.12.90, 6.18.32, 7.0.9, 7.1 and their respective stable series.

Fixed in

✓ 6.6.140 6.6.x ✓ 6.12.90 6.12.x ✓ 6.18.32 6.18.x ✓ 7.0.9 7.0.x ✓ 7.1

References

5 total

Frequently asked questions

What is CVE-2026-53376?

CVE-2026-53376 is a unscored severity Linux kernel vulnerability . CVE-2026-53376 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-53376?

Yes — CVE-2026-53376 has been patched. Fixed versions include 6.6.140, 6.12.90, 6.18.32 and others.
Is CVE-2026-53376 actively exploited?

No — CVE-2026-53376 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.