What is CVE-2021-0945?

CVE-2021-0945 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-06-15.

How severe is CVE-2021-0945?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Google Android

CVE-2021-0945

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.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (23.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android
N/a Android — versions Android SoC

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2021-0945?: CVE-2021-0945 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-06-15.
How severe is CVE-2021-0945?: Critical severity. CVSS v3 base score is 9.8 out of 10.