CVE-2021-39793: Google Pixel Out-of-Bounds Write Vulnerability
Google Pixel contains a possible out-of-bounds write due to a logic error in the code that could lead to local escalation of privilege.
Other sources
In kbasejduserbufpinpages of malikbasemem.c, there is a possible out of bounds write due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
— OSV
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
android/:unknown:to a version that resolves this vulnerability.Fixed in Pixel-family specific:2022-03-05
Event History
Frequently Asked Questions
What is the severity of CVE-2021-39793?
CVE-2021-39793 has a medium severity rating due to its potential for local privilege escalation.
How do I fix CVE-2021-39793?
To mitigate CVE-2021-39793, it is recommended to apply the latest security patch provided by Google for affected Android versions.
Which products are affected by CVE-2021-39793?
CVE-2021-39793 affects Google Android and specifically the Google Pixel devices.
What is the nature of the vulnerability in CVE-2021-39793?
CVE-2021-39793 is characterized by a possible out of bounds write caused by a logic error in the Mali GPU driver implementation.
Is user interaction required to exploit CVE-2021-39793?
No, user interaction is not needed for the exploitation of CVE-2021-39793.