CVE-2021-0947

HIGH

Android - Info Disclosure

Title source: llm
STIX 2.1

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

Scores

CVSS v3 7.5
EPSS 0.0012
EPSS Percentile 31.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-909
Status published
Products (1)
google/android
Published Aug 24, 2022
Tracked Since Feb 18, 2026