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CVE-2023-20768

MediumPublished

In ion, there is a possible out of bounds read due to type confusion. This could lead to local escalation of privilege with System execution privileges...

Published: Jul 4, 2023
Updated: Dec 4, 2024
Assigning CNA: MediaTek
Evidence observed: Aug 5, 2026

Primary CVSS

6.7/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

0.1%

Low · next 30 days

Percentile: 1.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

In ion, there is a possible out of bounds read due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07560720; Issue ID: ALPS07559800.

Sources

cve-2023-20768Research
Android kernel CVE analysis and PoC for a MediaTek ION allocator type confusion, covering root-cause diffing, unprivileged trigger, and exploitability assessment.

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