CVE-2023-21492 — Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerab

Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.

01What is this vulnerability?

Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.

02Affected products

Vendor	Product	Versions
Samsung Mobile	Samsung Mobile Devices	Selected Android 11, 12, 13 devices

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2023-05-19. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-04T00:00:00.000Z
• Last modified: 2025-10-21T23:05:48.107Z
• Added to CISA KEV: 2023-05-19
• BOD 22-01 due: 2023-06-09

09References

• security.samsungmobile.com — https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05