CVE-2026-63963
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/150c30131c032b4b1ad9acd29f2834321d85ae4b ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/150c30131c032b4b1ad9acd29f2834321d85ae4bPatch
- https://git.kernel.org/stable/c/569f7971542eb10025d8a0989b83f28a29d8ba20Patch
- https://git.kernel.org/stable/c/6bacd22e1eae77abf089bbdc016270200a8dc83bPatch
- https://git.kernel.org/stable/c/8fbc349e8383125dd2d8de1c1e926279d398ab17Patch
- https://git.kernel.org/stable/c/ed8649f3822e211d025bcab5158af6f8a38c8705Patch
- https://git.kernel.org/stable/c/f9d787fbe83127105e42088cca40e5118db0d810Patch