CVE-2021-0946

Published Aug 24, 2022 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
The method PVRSRVBridgePMRPDumpSymbolicAddr allocates puiMemspaceNameInt on the heap, fills the contents of the buffer via PMR_PDumpSymbolicAddr, and then copies the buffer to userspace. The method PMR_PDumpSymbolicAddr may fail, and if it does 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-236846966

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-3565 The method PVRSRVBridgePMRPDumpSymbolicAddr allocates puiMemspaceNameInt on the heap, fills the contents of the buffer via PMR_PDumpSymbolicAddr, and then copies the buffer to userspace. The method PMR_PDumpSymbolicAddr may fail, and if it does 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-236846966
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Aug 3, 2024, 3:55 PM
Reserved
Nov 6, 2020, 12:00 AM
Status
Modified
Published
Aug 24, 2022, 2:15 PM
Modified
Jun 17, 2026, 3:30 AM