Double Free in Google Android

CVE-2021-25477

An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.

Vulnerability class: Double Free

EPSS: 0.005 (38.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Google Android — versions 9.0, 10.0, 11.0
Mediatek Mt6762
Mediatek Mt6765
Mediatek Mt6853
Samsung Mobile Devices — versions P(9.0), Q(10.0), R(11.0)

Weakness classification (CWE)

CWE-415 — Double Free

References

mobile.security@samsung.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-25477?: CVE-2021-25477 is a medium-severity vulnerability in Google Android, classified under Double Free. CVSS score: 4.4/10. Published 2021-10-06.
How severe is CVE-2021-25477?: Medium severity. CVSS v3 base score is 4.4 out of 10.