TI-2021-00680 Aliases CVE-2021-0945 GHSA-3qg7-2p3j-xrqp

Out-of-bounds write in Android

MEDIUM 49CWE-787Published 2023-06-15 · Updated 2024-12-18

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

In _PMRCreate of the PowerVR kernel driver, a missing bounds check means it is possible to overwrite heap memory via PhysmemNewRamBackedPMR. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00316 24th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Android	Android SoC	—	No fix listed	CNA

Android Vendor— Affected Android SoC Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:google:android:-:::::::*	not specified by NVD	Vulnerable	Google

cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Google

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-0945
2026-10-03 Alias added: GHSA-3qg7-2p3j-xrqp

References

Advisory 1

https://source.android.com/security/bulletin/2023-06-01

TI-2026-42236 Improper authorization in Google Android KEVCVSS 3.1HIGH 8.8
TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8

See all 8410 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences