CVE-2021-25487

State: Published
Severity: 7.3 High
Published: Oct 6, 2021
Updated: Oct 21, 2025
Reserved: Jan 19, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N	Samsung Mobile

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Samsung Mobile DevicesSamsung Mobile	O(8.1), P(9.0), Q(10.0), R(11.0) to before SMR Oct-2021 Release 1Affected

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487government-resource

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