CVEvulnerability
CVE-2022-20421
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-10-11
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
Description
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
Affected configurations
• google android
• debian debian linux 10.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List, Third Party Advisory
- https://source.android.com/security/bulletin/2022-10-01 Patch, Vendor Advisory
- https://www.debian.org/security/2022/dsa-5257 Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List, Third Party Advisory
- https://source.android.com/security/bulletin/2022-10-01 Patch, Vendor Advisory
- https://www.debian.org/security/2022/dsa-5257 Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-770721.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html cert-portal.siemens.com