CVE-2021-25487

HighCVSS 7.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Samsung Mobile	Samsung Mobile Devices	>= O(8.1), P(9.0), Q(10.0), R(11.0), < SMR Oct-2021 Release 1

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487US Government Resource

Timeline

Published: Oct 6, 2021
Last modified: Jun 17, 2026
Added to CISA KEV: Jun 29, 2023
NVD status: Analyzed

Related CVEs from 2021

CVE-2021-254885.5Lack of boundary checking of a buffer in recv_data() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read.CVE-2021-254895.5Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format st CVE-2021-254906.0A keyblob downgrade attack in keymaster prior to SMR Oct-2021 Release 1 allows attacker to trigger IV reuse vulnerability with privileged pr CVE-2021-254914.4A vulnerability in mfc driver prior to SMR Oct-2021 Release 1 allows memory corruption via NULL-pointer dereference.CVE-2021-254927.1Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read.CVE-2021-254937.1Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read CVE-2021-254947.8A possible buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows arbitrary co CVE-2021-254957.8A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows arbitra CVE-2021-254967.8A possible buffer overflow vulnerability in maetd_dec_slice of libSPenBase library of Samsung Notes prior to Samsung Notes version 4.3.02.61 CVE-2021-254977.8A possible buffer overflow vulnerability in maetd_cpy_slice of libSPenBase library of Samsung Notes prior to Samsung Notes version 4.3.02.61 CVE-2021-254987.8A possible buffer overflow vulnerability in maetd_eco_cb_mode of libSPenBase library of Samsung Notes prior to Samsung Notes version 4.3.02.CVE-2021-254995.5Intent redirection vulnerability in SamsungAccountSDKSigninActivity of Galaxy Store prior to version 4.5.32.4 allows attacker to access cont