What is CVE-2021-25467?

CVE-2021-25467 is a medium-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2021-10-06.

How severe is CVE-2021-25467?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Google Android

CVE-2021-25467

Assuming system privilege is gained, possible buffer overflow vulnerabilities in the Vision DSP kernel driver prior to SMR Oct-2021 Release 1 allows privilege escalation to Root by hijacking loaded library.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

Google Android — versions 11.0
Samsung Exynos_2100
Samsung Exynos_980
Samsung Exynos_9830
Samsung Mobile Devices — versions R(11.0) devices with Exynos 980, 9830, 2100 chipsets

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

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

Frequently asked questions

What is CVE-2021-25467?: CVE-2021-25467 is a medium-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2021-10-06.
How severe is CVE-2021-25467?: Medium severity. CVSS v3 base score is 5.3 out of 10.