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
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: google_android

Published: 2022-08-24T13:40:05

Updated: 2024-08-03T15:55:18.158Z

Reserved: 2020-11-06T00:00:00

Link: CVE-2021-0947

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-08-24T14:15:09.347

Modified: 2024-11-21T05:43:17.857

Link: CVE-2021-0947

cve-icon Redhat

No data.