CVE-2026-63906 (CVSS 8.4)

Description

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.

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CVSS v3.1 Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/27e62532228dc42367bb43ebbcd7bf49d8db2b0d https://git.kernel.org/stable/c/632fd888fe33083927e29ef651ac1aba345edd9e https://git.kernel.org/stable/c/69f9f2b30af03d9b6e83f78fb0f734b6066d4678 https://git.kernel.org/stable/c/b987f380620b38c84f054d5ff5c05861a7c2203b https://git.kernel.org/stable/c/d53e4c41331f57b9fd78cbf3e480c6ce20aea07b https://git.kernel.org/stable/c/e194ce048f5a6c549b3a23a8c568c6470f40f772

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 8.4 (HIGH).

How severe is CVE-2026-63906? +

CVE-2026-63906 has a CVSS v3.1 score of 8.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0018, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-63906? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

CVE-2026-63906