CVE-2023-21492: Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability

CVE-2023-21492 · Severity: critical · CVSS 4.4 · Exploited in the wild · Published 2023-05-19

Samsung mobile devices running Android 11, 12, and 13 leak kernel pointers into log files. This vulnerability allows a privileged local attacker to bypass Address Space Layout Randomization (ASLR) protections.

Technologies: Samsung Mobile Devices. Vendors: Samsung.

Quick answers

Is CVE-2023-21492 exploited in the wild?
Yes. CVE-2023-21492 is known to be exploited in the wild, first recorded on 19 May 2023. Treat it as urgent.
How severe is CVE-2023-21492?
Critical severity, with a CVSS score of 4.4, published 19 May 2023.
Which products and versions are affected?
Samsung Android 11, 12, 13 (prior to SMR May-2023 Release 1).
Is there a fix for CVE-2023-21492?
A patch was published on 2023-05-01: SMR May-2023 Release 1 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2023-21492 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2023-21492?
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 11, 12, 13 (prior to SMR May-2023 Release 1)

Timeline

  • 2023-05-19: disclosed
  • 2023-05-19: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-05-19: exploited: Reported as exploited in the wild in the advisory.
  • 2023-05-01: patched: SMR May-2023 Release 1

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