CVE-2021-0938

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-908

Affected software

No affected versions have been published.

Timeline

Published: Oct 25, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-09394.4In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local in CVE-2021-09406.7In TBD of TBD, there is a possible out of bounds write due to improper locking. This could lead to local escalation of privilege in the kern CVE-2021-09416.7In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of p CVE-2021-09429.8The path in this case is a little bit convoluted. The end result is that via an ioctl an untrusted app can control the ui32PageIndex offset CVE-2021-09437.8In MMU_MapPages of TBD, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of pri CVE-2021-09459.8In _PMRCreate of the PowerVR kernel driver, a missing bounds check means it is possible to overwrite heap memory via PhysmemNewRamBackedPMR.CVE-2021-09467.5The method PVRSRVBridgePMRPDumpSymbolicAddr allocates puiMemspaceNameInt on the heap, fills the contents of the buffer via PMR_PDumpSymbolic CVE-2021-09477.5The method PVRSRVBridgeTLDiscoverStreams allocates puiStreamsInt on the heap, fills the contents of the buffer via TLServerDiscoverStreamsKM CVE-2021-09485.5The PVRSRVBridgeGetMultiCoreInfo ioctl in the PowerVR kernel driver can return uninitialized kernel memory to user space. The contents of th CVE-2021-09517.8In DevmemIntHeapAcquire of TBD, there is a possible arbitrary code execution due to an integer overflow. This could lead to local escalation CVE-2021-09525.0In doCropPhoto of PhotoSelectionHandler.java, there is a possible permission bypass due to a confused deputy. This could lead to local infor CVE-2021-09537.8In setOnClickActivityIntent of SearchWidgetProvider.java, there is a possible way to access contacts and history bookmarks without permissio