CVE-2025-20888
HIGHCVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Description
Out-of-bounds write in handling the block size for smp4vtd in libsthmbc.so prior to SMR Jan-2025 Release 1 allows local attackers to execute arbitrary code with privilege. User interaction is required for triggering this vulnerability.
Analysis
Out-of-bounds write in handling the block size for smp4vtd in libsthmbc.so prior to SMR Jan-2025 Release 1 allows local attackers to execute arbitrary code with privilege. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. No vendor patch available.
Technical Context
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Out-of-bounds write in handling the block size for smp4vtd in libsthmbc.so prior to SMR Jan-2025 Release 1 allows local attackers to execute arbitrary code with privilege. User interaction is required for triggering this vulnerability. Affected products include: Samsung Android.
Affected Products
Samsung Android.
Remediation
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
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External POC / Exploit Code
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