CVE-2021-25370: Samsung Mobile Devices Memory Corruption Vulnerability
Samsung mobile devices using Mali GPU contain an incorrect implementation handling file descriptor in dpu driver. This incorrect implementation results in memory corruption, leading to kernel panic. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25369.
| Vendor | Samsung |
|---|---|
| Product | Mobile Devices |
| Date added to KEV | 2022-11-08 |
| Due date (BOD 22-01) | 2022-11-29 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-416 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Samsung Mobile Devices in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2022-11-29 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2021-25370 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://security.samsungmobile.com/securityUpdate.smsb
- https://nvd.nist.gov/vuln/detail/CVE-2021-25370