CVE-2021-25487Lack 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…
Updated under an hour ago ()
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It affects Samsung Mobile Devices and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 29, 2023; federal agencies had to remediate by Jul 20, 2023. Treat that date as your deadline.
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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.
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- Weakness (CWE)
- CWE-125
- Known exploited
- Added to CISA KEV Jun 29, 2023; federal remediation due Jul 20, 2023Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
- EPSS (exploitation in the next 30 days)
- 0.64% (percentile 49)
- Assigned by
- Samsung Mobile
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Samsung Mobile Samsung Mobile Devices samsung_mobile:devices (from the name) | from O(8.1), P(9.0), Q(10.0), R(11.0) before SMR Oct-2021 Release 1 | CNA record |
samsung android samsung:android | 8.1; 9.0; 9.0; 9.0; 9.0; 9.0; 9.0; 9.0; and 20 more ranges | NVD |
References
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10x-refsource-misc, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.