CVE-2022-20421 (GCVE-0-2022-20421)
Vulnerability from cvelistv5 – Published: 2022-10-11 00:00 – Updated: 2024-08-03 02:10
VLAI
EPSS
VEX
Summary
In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. 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-239630375References: Upstream kernel
Severity
7.8 (High)
CWE
- Elevation of privilege
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://source.android.com/security/bulletin/2022-10-01 | |
| https://www.debian.org/security/2022/dsa-5257 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T15:48:43+00:00",
"cve": "CVE-2022-20421",
"id": "CVE-2022-20421",
"initial_release_date": "2022-08-01T12:00:00+00:00",
"product_status:known_not_affected": "198",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: use after free in binder_inc_ref_for_node in drivers/android/binder.c due",
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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