CVE-2021-25395: Samsung Mobile Devices Race Condition Vulnerability

CVE-2021-25395 · Severity: critical · CVSS 6.4 · Exploited in the wild · Published 2023-06-29

A race condition in the Samsung MFC charger driver leads to a use-after-free vulnerability. Local attackers with compromised radio privileges can exploit this to bypass signature checks or perform unauthorized writes.

Technologies: Samsung Mobile Devices. Vendors: Samsung.

Quick answers

Is CVE-2021-25395 exploited in the wild?
Yes. CVE-2021-25395 is known to be exploited in the wild, first recorded on 29 June 2023. Treat it as urgent.
How severe is CVE-2021-25395?
Critical severity, with a CVSS score of 6.4, published 29 June 2023.
Which products and versions are affected?
Samsung Android prior to SMR MAY-2021 Release 1.
Is there a fix for CVE-2021-25395?
A patch was published on 2021-05-01: SMR MAY-2021 Release 1 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2021-25395 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2021-25395?
Check whether you run Samsung Mobile Devices. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Samsung Android prior to SMR MAY-2021 Release 1

Timeline

  • 2021-05-01: patched: SMR MAY-2021 Release 1
  • 2021-06-11: disclosed: NVD Published Date
  • 2023-06-29: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-06-29: exploited: Reported as exploited in the wild in CISA KEV catalog

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