What’s Vulnerable › Vulnerabilities

CVE-2022-20421

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-11 · updated 2026-10-14
• Weakness: 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 products

• Debian Linux: 10.0, 11.0
• Android: all versions

References

• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
• https://source.android.com/security/bulletin/2022-10-01
• https://www.debian.org/security/2022/dsa-5257
• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
• https://source.android.com/security/bulletin/2022-10-01
• https://www.debian.org/security/2022/dsa-5257
• https://cert-portal.siemens.com/productcert/html/ssa-770721.html
• https://cert-portal.siemens.com/productcert/html/ssa-794697.html
• https://cert-portal.siemens.com/productcert/html/ssa-831302.html

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