CVE-2021-25487

CISA description

Samsung mobile devices contain an out-of-bounds read vulnerability within the modem interface driver due to a lack of boundary checking of a buffer in set_skb_priv(), leading to remote code execution by dereference of an invalid function pointer.

Required action

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Notes & references

• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
• https://nvd.nist.gov/vuln/detail/CVE-2021-25487

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

• RA-5 · Vulnerability Monitoring and Scanning
• SI-2 · Flaw Remediation
• CM-6 · Configuration Settings
• SI-7 · Software, Firmware, and Information Integrity
• CM-8 · System Component Inventory

External lookups

• NVD · CVE-2021-25487
• CVE.org · CVE-2021-25487
• CISA KEV catalog (canonical)