CVE-2021-25370
Samsung Mobile Devices Memory Corruption Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 November 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
An incorrect implementation handling file descriptor in dpu driver prior to SMR Mar-2021 Release 1 results in memory corruption leading to kernel panic.
- CVSS 3.1
- 4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.89% probability · 59th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 8 November 2022 · due 29 November 2022
- Weakness
- CWE-416, CWE-703
- Affected
- samsung/android
- Source
- mobile.security@samsung.com
EPSS 0.9% since 30 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://security.samsungmobile.com/securityUpdate.smsb; https://nvd.nist.gov/vuln/detail/CVE-2021-25370
References
- https://security.samsungmobile.comVendor Advisory
- https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
- https://security.samsungmobile.comVendor Advisory
- https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25370US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.