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MEDIUM

kernel: avoid cyclic entity chains due to malformed USB descriptors

Published Sep 17, 2020

Description

In uvc_scan_chain_forward of uvc_driver.c, there is a possible linked list corruption due to an unusual root cause. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-111893654References: Upstream kernel

Affected products

Remediation

Red Hat mitigation

To mitigate this issue, prevent the module uvcvideo from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.

References (9)

Change history (0)

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Sources
CVE.org / MITRE
Status PUBLISHED
Assigner google_android
Published Sep 17, 2020
Updated Aug 4, 2024
Reserved Oct 17, 2019
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Moderate
Public date Jan 16, 2021