SEPTEMBER 8, 2026
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Case File

CVE-2026-63963

UNKNOWN · CVSS N/A EPSS 0.20%

Source: NVD + CISA KEV + EPSS · Published 2026-07-19 · Last synced 2026-08-18

CyberRota Analysis

AI-Generated

A vulnerability exists in the Linux kernel's USB Type-C protocol handling, where insufficient validation of device-controlled values in Discover Identity ACK handlers can lead to potential data leakage. This issue primarily affects systems utilizing USB Type-C connections and should be prioritized by organizations relying on Linux-based environments, particularly those handling sensitive data or operating in security-sensitive contexts. Immediate remediation is advised to mitigate the risk of unauthorized data exposure.

CVE
CVE-2026-63963
Severity
UNKNOWN
CVSS
N/A
EPSS
0.20%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers Properly validate the count passed from a device when calling svdm_consume_identity() or svdm_consume_identity_sop_prime() as the device-controlled value could index off of the static arrays, which could leak data.