Read the docs
TI-2021-07726 Aliases CVE-2021-25487GHSA-4fpw-j345-q48r

Out-of-bounds read in Samsung Mobile Devices

Priority CRITICAL 93Exploited in the wildCWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2023-06-29CISA due date 2023-07-20
EPSS 0.00635 50th percentileScored 2026-11-07
Fix Fixed Samsung Mobile Devices (Samsung Mobile): SMR Oct-2021 Release 1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SamsungSamsung Mobile DevicesO(8.1), P(9.0), Q(10.0), R(11.0) to before SMR Oct-2021 Release 1SMR Oct-2021 Release 1Patch availableCNA
  • Samsung Mobile Devices VendorSamsung Affected O(8.1), P(9.0), Q(10.0), R(11.0) to before SMR Oct-2021 Release 1 Fixed in SMR Oct-2021 Release 1 Patch available CNA

CPE configurations NVD · 28

CPEVersionsRoleVendor
cpe:2.3:o:samsung:android:8.1:-:*:*:*:*:*:*8.1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-apr-2021-r1:*:*:*:*:*:*9.0 smr-apr-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-aug-2021-r1:*:*:*:*:*:*9.0 smr-aug-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-feb-2021-r1:*:*:*:*:*:*9.0 smr-feb-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-jan-2021-r1:*:*:*:*:*:*9.0 smr-jan-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-jul-2021-r1:*:*:*:*:*:*9.0 smr-jul-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-jun-2021-r1:*:*:*:*:*:*9.0 smr-jun-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-mar-2021-r1:*:*:*:*:*:*9.0 smr-mar-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-may-2021-r1:*:*:*:*:*:*9.0 smr-may-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:9.0:smr-sep-2021-r1:*:*:*:*:*:*9.0 smr-sep-2021-r1VulnerableSamsung
  • cpe:2.3:o:samsung:android:8.1:-:*:*:*:*:*:* Versions 8.1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-apr-2021-r1:*:*:*:*:*:* Versions 9.0 smr-apr-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-aug-2021-r1:*:*:*:*:*:* Versions 9.0 smr-aug-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-feb-2021-r1:*:*:*:*:*:* Versions 9.0 smr-feb-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-jan-2021-r1:*:*:*:*:*:* Versions 9.0 smr-jan-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-jul-2021-r1:*:*:*:*:*:* Versions 9.0 smr-jul-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-jun-2021-r1:*:*:*:*:*:* Versions 9.0 smr-jun-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-mar-2021-r1:*:*:*:*:*:* Versions 9.0 smr-mar-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-may-2021-r1:*:*:*:*:*:* Versions 9.0 smr-may-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:9.0:smr-sep-2021-r1:*:*:*:*:*:* Versions 9.0 smr-sep-2021-r1 Vulnerable ·Samsung
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:samsung:android:10.0:smr-apr-2021-r1:*:*:*:*:*:*10.0 smr-apr-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:10.0:smr-aug-2021-r1:*:*:*:*:*:*10.0 smr-aug-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:10.0:smr-feb-2021-r1:*:*:*:*:*:*10.0 smr-feb-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:10.0:smr-jan-2021-r1:*:*:*:*:*:*10.0 smr-jan-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:10.0:smr-jul-2021-r1:*:*:*:*:*:*10.0 smr-jul-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:10.0:smr-jun-2021-r1:*:*:*:*:*:*10.0 smr-jun-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:10.0:smr-mar-2021-r1:*:*:*:*:*:*10.0 smr-mar-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:10.0:smr-may-2021-r1:*:*:*:*:*:*10.0 smr-may-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:10.0:smr-sep-2021-r1:*:*:*:*:*:*10.0 smr-sep-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-apr-2021-r1:*:*:*:*:*:*11.0 smr-apr-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-aug-2021-r1:*:*:*:*:*:*11.0 smr-aug-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-feb-2021-r1:*:*:*:*:*:*11.0 smr-feb-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-jan-2021-r1:*:*:*:*:*:*11.0 smr-jan-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-jul-2021-r1:*:*:*:*:*:*11.0 smr-jul-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-jun-2021-r1:*:*:*:*:*:*11.0 smr-jun-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-mar-2021-r1:*:*:*:*:*:*11.0 smr-mar-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-may-2021-r1:*:*:*:*:*:*11.0 smr-may-2021-r1VulnerableSamsung
cpe:2.3:o:samsung:android:11.0:smr-sep-2021-r1:*:*:*:*:*:*11.0 smr-sep-2021-r1VulnerableSamsung
  • cpe:2.3:o:samsung:android:10.0:smr-apr-2021-r1:*:*:*:*:*:* Versions 10.0 smr-apr-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:10.0:smr-aug-2021-r1:*:*:*:*:*:* Versions 10.0 smr-aug-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:10.0:smr-feb-2021-r1:*:*:*:*:*:* Versions 10.0 smr-feb-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:10.0:smr-jan-2021-r1:*:*:*:*:*:* Versions 10.0 smr-jan-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:10.0:smr-jul-2021-r1:*:*:*:*:*:* Versions 10.0 smr-jul-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:10.0:smr-jun-2021-r1:*:*:*:*:*:* Versions 10.0 smr-jun-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:10.0:smr-mar-2021-r1:*:*:*:*:*:* Versions 10.0 smr-mar-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:10.0:smr-may-2021-r1:*:*:*:*:*:* Versions 10.0 smr-may-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:10.0:smr-sep-2021-r1:*:*:*:*:*:* Versions 10.0 smr-sep-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-apr-2021-r1:*:*:*:*:*:* Versions 11.0 smr-apr-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-aug-2021-r1:*:*:*:*:*:* Versions 11.0 smr-aug-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-feb-2021-r1:*:*:*:*:*:* Versions 11.0 smr-feb-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-jan-2021-r1:*:*:*:*:*:* Versions 11.0 smr-jan-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-jul-2021-r1:*:*:*:*:*:* Versions 11.0 smr-jul-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-jun-2021-r1:*:*:*:*:*:* Versions 11.0 smr-jun-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-mar-2021-r1:*:*:*:*:*:* Versions 11.0 smr-mar-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-may-2021-r1:*:*:*:*:*:* Versions 11.0 smr-may-2021-r1 Vulnerable ·Samsung
  • cpe:2.3:o:samsung:android:11.0:smr-sep-2021-r1:*:*:*:*:*:* Versions 11.0 smr-sep-2021-r1 Vulnerable ·Samsung

Remediation

  • Fix · CNA Samsung Mobile Devices (Samsung Mobile) Fixed in SMR Oct-2021 Release 1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Samsung Mobile Devices SMR Oct-2021 Release 1

    25 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 23 LOW

    Other records, highest priority first

    • TI-2021-07728 Improper input validation in Samsung Mobile DevicesPriority HIGH 82
    • TI-2021-07724 Improper input validation in Samsung Mobile DevicesPriority LOW 34
    • TI-2021-07719 Authentication bypass by capture-replay in Samsung Mobile DevicesPriority LOW 33
    Show all 25 records →

Timeline

  1. 2023-06-29 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2021-25487
  3. 2026-10-03 Alias added: GHSA-4fpw-j345-q48r
  4. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2025-15039 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-15038 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-07611 An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access. KEVCVSS 3.1MEDIUM 6.7
  • TI-2021-07610 A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP. KEVCVSS 3.1MEDIUM 6.7
  • TI-2021-07634 Race condition in Samsung Mobile Devices KEVCVSS 3.1MEDIUM 6.4
  • TI-2021-07633 Use after free in Samsung Mobile Devices KEVCVSS 3.1MEDIUM 6.4
See all 501 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences