CVE-2026-63963
mediumIn the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers Properly validate…
Vendor / product: Linux — linux kernel
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.
CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-07-19 16:17
Modified: 2026-10-30 17:39
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-30 17:47 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linux / linux_kernel ≥4.12 <6.1.191, ≥6.2 <6.6.160, ≥6.7 <6.12.93, ≥6.13 <6.18.35, ≥6.19 <7.0.12, 7.1
Weakness classification (CWE)
NVD-CWE-noinfo
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://git.kernel.org/stable/c/150c30131c032b4b1ad9acd29f2834321d85ae4b
Patch / mitigation: https://git.kernel.org/stable/c/569f7971542eb10025d8a0989b83f28a29d8ba20
Patch / mitigation: https://git.kernel.org/stable/c/6bacd22e1eae77abf089bbdc016270200a8dc83b
Patch / mitigation: https://git.kernel.org/stable/c/8fbc349e8383125dd2d8de1c1e926279d398ab17
Patch / mitigation: https://git.kernel.org/stable/c/ed8649f3822e211d025bcab5158af6f8a38c8705
Patch / mitigation: https://git.kernel.org/stable/c/f9d787fbe83127105e42088cca40e5118db0d810
References
- https://git.kernel.org/stable/c/150c30131c032b4b1ad9acd29f2834321d85ae4b 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/569f7971542eb10025d8a0989b83f28a29d8ba20 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/6bacd22e1eae77abf089bbdc016270200a8dc83b 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/8fbc349e8383125dd2d8de1c1e926279d398ab17 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/ed8649f3822e211d025bcab5158af6f8a38c8705 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/f9d787fbe83127105e42088cca40e5118db0d810 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 17:47 UTC · record ↗