CVEvulnerability
CVE-2021-25487
CISA Known Exploited Vulnerability
Samsung Mobile Devices Out-of-Bounds Read Vulnerability — Samsung Mobile Devices
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.
- Added to KEV
- 2023-06-29
- Remediation due
- 2023-07-20
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
- Notes
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10; https://nvd.nist.gov/vuln/detail/CVE-2021-25487
- Status
- Analyzed
- Published
- 2021-10-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.3 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-125
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.
Affected configurations
• samsung android 8.1
• samsung android 9.0
• samsung android 10.0
• samsung android 11.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness