Use-after-free in Samsung Mobile Firmware - CVE-2021-25370
Published: November 10, 2022
Vulnerability identifier: #VU69232
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-25370
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error within the dpu driver. A local application can trigger a use-after-free error and execute arbitrary code with kernel privileges.
Note, the vulnerability is being actively exploited in the wild.
Affected software
Samsung Mobile Firmware
How to mitigate CVE-2021-25370
Install updates from vendor's website.
Samsung Mobile Firmware - update to SMR-MAR-2021