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CVE-2026-63963

Опубликовано: 19 июл. 2026
Источник: redhat
CVSS3: 5.5
EPSS Низкий

Описание

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.

A flaw was found in the Linux kernel's USB Type-C subsystem. A malicious or malformed USB Type-C device could send an invalid Vendor Defined Object (VDO) count during the Discover Identity Acknowledgement (ACK) process. This improper validation could allow the device to read beyond the intended memory boundaries, potentially leading to information disclosure from the kernel.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10kernelFix deferred
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 8kernelFix deferred
Red Hat Enterprise Linux 8kernel-rtFix deferred
Red Hat Enterprise Linux 9kernelFix deferred
Red Hat Enterprise Linux 9kernel-rtFix deferred

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-125
https://bugzilla.redhat.com/show_bug.cgi?id=2502465kernel: usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers

EPSS

Процентиль: 10%
0.00206
Низкий

5.5 Medium

CVSS3

Связанные уязвимости

ubuntu
3 месяца назад

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.

nvd
3 месяца назад

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.

msrc
3 месяца назад

usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers

debian
3 месяца назад

In the Linux kernel, the following vulnerability has been resolved: u ...

github
3 месяца назад

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.

EPSS

Процентиль: 10%
0.00206
Низкий

5.5 Medium

CVSS3