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CVE-2026-63906

HIGHCVSS 8.4/10EPSS 0.18%

Last modified

CVE-2026-63906 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.4/10

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

EPSS Probability
0.18%

7.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 22b60658a90260e3fbd57824e3afe5682c6afcf5, < 632fd888fe33083927e29ef651ac1aba345edd9e; >= ffbe2feac59b37c8dc536727552b4f375e1b9aec, < b987f380620b38c84f054d5ff5c05861a7c2203b; >= ffbe2feac59b37c8dc536727552b4f375e1b9aec, < 27e62532228dc42367bb43ebbcd7bf49d8db2b0d; >= ffbe2feac59b37c8dc536727552b4f375e1b9aec, < 69f9f2b30af03d9b6e83f78fb0f734b6066d4678; >= ffbe2feac59b37c8dc536727552b4f375e1b9aec, < d53e4c41331f57b9fd78cbf3e480c6ce20aea07b; >= ffbe2feac59b37c8dc536727552b4f375e1b9aec, < e194ce048f5a6c549b3a23a8c568c6470f40f772; fed43efc00ba6ac8c6b95828cd5acfa3d45eca4d; >= 6.1.2, < 6.1.176; >= 6.0.16, < 6.1
LinuxLinux6.2

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

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.
How severe is CVE-2026-63906?
CVE-2026-63906 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-63906?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST