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[ CVE-2021-25489 · Published 6 Oct 2021 ]

Samsung Mobile Devices Improper Input Validation Vulnerability

Exploited · CISA KEV CVSS 5.5 EPSS <1%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-06-29

[ Description ]Official description

Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.

CISA: Samsung mobile devices contain an improper input validation vulnerability within the modem interface driver that results in a format string bug leading to kernel panic.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 20 Jul 2023): Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References