CVE-2021-25487

7.3 HIGH CISA KEV - Actively Exploited

Published: October 06, 2021 Modified: October 30, 2025

Description

Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

Source: mobile.security@samsung.com

Vendor Advisory

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.3 / 10.0

EPSS (Exploit Probability)

2.4%

85th percentile

Exploitation Status

Actively Exploited

Remediation due: 2023-07-20

Weaknesses (CWE)

CWE-125 CWE-125

Affected Vendors

samsung

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