CVE-2026-63906

In the Linux kernel, the following vulnerability has been resolved: usb: musb: omap2430: Fix use-after-free in omap2430_probe() In omap2430_probe(), of_node_put(np) is called prematurely before the last access to np, leading to a use-after-free if the node's reference count drops to zero. Move the of_node_put() calls after the last use of np in both the success and error paths.

Package Linux Kernel
Published 2026-07-19
Last modified 2026-07-19
Patch available
Yes

Affected versions

Linux kernel versions 6.1.2, 6.0.16, 6.2 and later are affected. Fixed in 6.1.176, 6.6.143, 6.12.93, 6.18.35, 7.0.12, 7.1 and their respective stable series.

Affected from
≥ 6.1.2 ≥ 6.0.16 ≥ 6.2
Fixed in
✓ 6.1.176 6.1.x ✓ 6.6.143 6.6.x ✓ 6.12.93 6.12.x ✓ 6.18.35 6.18.x ✓ 7.0.12 7.0.x ✓ 7.1

Frequently asked questions

  • What is CVE-2026-63906?

    CVE-2026-63906 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.1.2 onward and has been patched in 6.1.176, 6.6.143, 6.12.93 and others. CVE-2026-63906 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-63906?

    Yes — CVE-2026-63906 has been patched. Fixed versions include 6.1.176, 6.6.143, 6.12.93 and others. If you are running Linux kernel 6.1.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-63906 actively exploited?

    No — CVE-2026-63906 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.