CVE-2021-0947

Sep 3, 2024

Published Date: 2022-08-24T14:15Z

Last Modified: 2023-08-08T14:21Z

CVSS Score: 7.5 (HIGH)

EPSS Score: 0.08%

Risk Score: 5.25 (HIGH)

Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.

CVSS: 7.5 | EPSS: 0.08%

NVD Links:

https://nvd.nist.gov/vuln/detail/CVE-2021-0947

Description: The method PVRSRVBridgeTLDiscoverStreams allocates puiStreamsInt on the heap, fills the contents of the buffer via TLServerDiscoverStreamsKM, and then copies the buffer to userspace. The method TLServerDiscoverStreamsKM may fail for several reasons including invalid sizes. If this method fails the buffer will be left uninitialized and despite the error will still be copied to userspace. Kernel leak of uninitialized heap data with no privs required.Product: AndroidVersions: Android SoCAndroid ID: A-236838960

Mitre ATT&CK Technical v15.1

T1583.004 – Server
T1584.004 – Server
T1053.002 – At

Technical Analysis & Mitigation Measures

Reference Links

https://source.android.com/security/bulletin/2022-08-01

Vendor - Produce - Version

android - google

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