CVE-2026-63963

high

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.

References

https://git.kernel.org/stable/c/f9d787fbe83127105e42088cca40e5118db0d810

https://git.kernel.org/stable/c/ed8649f3822e211d025bcab5158af6f8a38c8705

https://git.kernel.org/stable/c/8fbc349e8383125dd2d8de1c1e926279d398ab17

https://git.kernel.org/stable/c/569f7971542eb10025d8a0989b83f28a29d8ba20

Details

Source: Mitre, NVD

Published: 2026-07-19

Updated: 2026-07-20

Risk Information

CVSS v2

Base Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.1

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

Severity: High

EPSS

EPSS: 0.002