Vulnerability identifier: #VU51059

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11309

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in GPU driver while mapping the user memory to GPU memory in Qualcomm chipsets. A local user can run a specially crafted program to escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Android: 11, 10, 9.0, 8.1

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External links
http://source.android.com/security/bulletin/2021-03-01
http://www.qualcomm.com/company/product-security/bulletins/march-2021-bulletin

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.