CVE-2026-63963
Public on 2026-07-19
Modified on 2026-07-24
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.
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.
Severity
See what this means
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | kernel | Not Affected | ||
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | Not Affected | ||
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | Not Affected | ||
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | Not Affected | ||
| Amazon Linux 2023 | kernel | Not Affected | ||
| Amazon Linux 2023 | kernel6.12 | Not Affected | ||
| Amazon Linux 2023 | kernel6.18 | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 2.4 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |