CVE-2026-63963
usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/569f7971542eb10025d8a0989b83f28a29d8ba20
- 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/6bacd22e1eae77abf089bbdc016270200a8dc83b
References (6)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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