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Critical severity9.8NVD Advisory· Published Dec 4, 2023· Updated Jun 17, 2026

CVE-2023-21216

CVE-2023-21216

Description

In PMRChangeSparseMemOSMem of physmem_osmem_linux.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Google/Androidv52 versions
    Android SoC+ 1 more
    • (no CPE)range: Android SoC
    • cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
  • Google/Kernelllm-create

Patches

Vulnerability mechanics

References

1

News mentions

0

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