Use After Free in Samsung Android

CVE-2023-21459

Use after free vulnerability in decon driver prior to SMR Mar-2023 Release 1 allows attackers to cause memory access fault.

Vulnerability class: Use-After-Free

EPSS: 0.003 (19.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L.

Affected products

Samsung Android — versions 11.0, 12.0, 13.0
Samsung Exynos_2100
Samsung Mobile Devices — versions Android 11, 12, 13 devices with Exynos2100 chipset

Weakness classification (CWE)

CWE-416 — Use After Free

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21459?: CVE-2023-21459 is a medium-severity vulnerability in Samsung Android, classified under Use After Free. CVSS score: 5.0/10. Published 2023-03-16.
How severe is CVE-2023-21459?: Medium severity. CVSS v3 base score is 5.0 out of 10.