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CVE-2021-39685

Опубликовано: 15 дек. 2021
Источник: redhat
CVSS3: 7.8

Описание

In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel

An out of bounds memory access flaw in the Linux kernel's USB Peripheral Controller functionality was found in the way users call control request handlers in a specific way for the USB gadget. A local user could use this flaw to crash the system or escalate their privileges on the system.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 8kernelNot affected
Red Hat Enterprise Linux 8kernel-rtNot affected
Red Hat Enterprise Linux 9kernelNot affected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-119
https://bugzilla.redhat.com/show_bug.cgi?id=2036100kernel: USB gadget buffer overflow

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 7.8
ubuntu
больше 3 лет назад

In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel

CVSS3: 7.8
nvd
больше 3 лет назад

In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel

CVSS3: 7.8
debian
больше 3 лет назад

In various setup methods of the USB gadget subsystem, there is a possi ...

CVSS3: 7.8
github
больше 3 лет назад

In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel

CVSS3: 7.8
fstec
больше 3 лет назад

Уязвимость подсистемы USB-гаджетов ядра операционной системы Linux, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

7.8 High

CVSS3