CVE-2022-20421

kernel: use after free in binder_inc_ref_for_node in drivers/android/binder.c due

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Severity

Moderate

Red Hat Product Security

6.6

CVSS 3.1

Review impact separately from score.

Published · August 1, 2022

Updated · October 15, 2026

Description

A vulnerability was found in the binder_inc_ref_for_node function in drivers/android/binder.c due to memory corruption, causing a use-after-free issue in the Linux kernel. This flaw could lead to local privilege escalation.

Statement

There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

CWE-416 · Use After Free