PT-2026-61280 · Linux · Linux

CVE-2026-63963 · Published 2026-07-19 · Updated 2026-07-19

Mitre

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.

Related Identifiers

CVE-2026-63963

Affected Products

Linux

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-63963 · Security Note
• https://git.kernel.org/stable/c/ed8649f3822e211d025bcab5158af6f8a38c8705 · Note
• https://git.kernel.org/stable/c/8fbc349e8383125dd2d8de1c1e926279d398ab17 · Note
• https://git.kernel.org/stable/c/569f7971542eb10025d8a0989b83f28a29d8ba20 · Note
• https://git.kernel.org/stable/c/f9d787fbe83127105e42088cca40e5118db0d810 · Note