Samsung Mobile Devices Out-of-Bounds Read Vulnerability

Added to KEV
2023-06-29
Federal due date
2023-07-20
Vendor
Samsung
Product
Mobile Devices
EPSS
85.8th percentile (score 0.026, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2021-25487

CISA short 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

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.