VDB
CVE-2023-20938
CVE-2023-20938
PUBLISHED
CVSS 8.1 HIGH
Reported by google_android · Published February 28, 2023
In binder_transaction_buffer_release of binder.c, there is a possible use after free due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-257685302References: Upstream kernel
Risk scores
CVSS 3.1
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | Android | Android kernel |
| n/a | Android | * |
| android | 0 |
Timeline
- Feb 6, 2023 CVE Published
- Mar 1, 2023 EPSS Score (30 in total, the first dated here)
- Jun 4, 2024 PoC Published (24 in total, the first dated here)
- Feb 24, 2026 CVE Updated
- May 20, 2026 Coalition ESS Score
- Jun 2, 2026 Security Advisory (23 in total, the first dated here)
- Aug 9, 2026 Distribution Patch (21 in total, the first dated here)
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