CVE-2021-0946

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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.10%
Vendor Advisory android.com
Affected: n/a Android
Published at:
Updated at:

References

Link Tags
https://source.android.com/security/bulletin/2022-08-01 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-0946?
CVE-2021-0946 has been scored as a high severity vulnerability.
How to fix CVE-2021-0946?
To fix CVE-2021-0946, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-0946 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-0946 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-0946?
CVE-2021-0946 affects n/a Android.
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