CVE-2021-25372
Published: June 29, 2023
Official Description
Samsung mobile devices contain an improper boundary check vulnerability within DSP driver that allows for out-of-bounds memory access.
CISA KEV Advisory
Samsung Mobile Devices Improper Boundary Check Vulnerability
Samsung mobile devices contain an improper boundary check vulnerability within DSP driver that allows for out-of-bounds memory access.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Risk Analysis
This high-severity vulnerability in Samsung mobile devices involves an improper boundary check within the DSP driver, leading to out-of-bounds memory access. The confirmed in-the-wild exploitation and inclusion in CISA's KEV catalog make this an urgent issue, despite a low EPSS score.
Active exploitation of this vulnerability has been observed in the wild, and it is listed in CISA's KEV catalog.
Apply all available security updates for Samsung mobile devices to address the DSP driver vulnerability. Keep your device's software up-to-date to ensure all security patches are installed.
Technical Analysis
CVE-2021-25372 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2021-25372 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-25372 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1