CVE-2022-20421

Katalog CVE

CVSS 7.8 · High EPSS 0,73%

Kerentanan Use After Free pada google android, debian linux. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

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

Rincian

Terbit di NVD

11 Oktober 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,73% peluang dieksploitasi; lebih tinggi dari 52,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://source.android.com/security/bulletin/2022-10-01 patch · advisory vendor
• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5257 advisory pihak ketiga