Samsung Mobile Devices Race Condition Vulnerability

Are you affected?

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• cpe samsung/android10.0
• cpe samsung/android8.1
• cpe samsung/android9.0
• vendor Samsung Mobile Devicesversion unspecified

How to fix CVE-2021-25395

• Recommended remediation

  Apply updates per vendor instructions or discontinue use of the product if updates are unavailable CISA due date Jul 20, 2023.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • VulnCheck KEV · vulncheck.com

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Jun 11, 2021 · Catalog

   Detected

   Samsung mobile devices contain a race condition vulnerability within the MFC charger driver that leads to a use-after-free allowing for a write given a radio privilege is compromised.

2. Jun 29, 2023 · CISA KEV

   Known exploited

   Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

3. Jul 20, 2023 · CISA KEV

   Remediation due

   Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

4. Jun 16, 2026 · Catalog

   Updated

   Samsung mobile devices contain a race condition vulnerability within the MFC charger driver that leads to a use-after-free allowing for a write given a radio privilege is compromised.

Sources

• CISA KEVConfirmed exploitationCVE-2021-25395

  Samsung mobile devices contain a race condition vulnerability within the MFC charger driver that leads to a use-after-free allowing for a write given a radio privilege is compromised.

  cisa.gov
• CVE.orgVulnerability recordCVE-2021-25395

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2021-25395

  30-day exploitation probability 0.4%

  first.org
• NIST NVDVulnerability recordCVE-2021-25395

  A race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows local attackers to bypass signature check given a radio privilege is compromised.

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2021-25395

  Samsung mobile devices contain a race condition vulnerability within the MFC charger driver that leads to a use-after-free allowing for a write given a radio privilege is compromised.

  vulncheck.com

References

• VulnCheck exploitation evidence · docs.google.com
• CISA note · nvd.nist.gov
• CISA note · security.samsungmobile.com
• US Government Resource · cisa.gov
• VulnCheck exploitation evidence · cisa.gov

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.