PT-2025-20036 · Unknown · Keymaster Trustlet

Darknavy · Published 2025-05-07 · Updated 2025-05-07 · CVE-2025-20937

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Keymaster trustlet versions prior to SMR May-2025 Release 1

Description The issue is an out-of-bounds write in the Keymaster trustlet, allowing local privileged attackers to write out-of-bounds memory. This can be exploited by local privileged attackers.

Recommendations For versions prior to SMR May-2025 Release 1, update to SMR May-2025 Release 1 or later to resolve the issue. As a temporary workaround, consider restricting access to the Keymaster trustlet to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-20937

Affected Products

Keymaster Trustlet

References · 5

• https://osv.dev/vulnerability/CVE-2025-20937 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-20937 · Security Note
• https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=05 · Vendor Advisory
• https://twitter.com/CVEnew/status/1920038118197022922 · Twitter Post
• https://t.me/cvenotify/121160 · Telegram Post