CVE-2020-0423

kernel: use-after-free in binder_release_work of binder.c due to improper locking may lead to local escalation of privilege

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · October 14, 2020

Updated · June 28, 2026

Description

A use-after-free flaw was found in the binder_release_work of binder.c due to improper locking. This flaw can lead to the local escalation of privileges in the kernel where no additional execution privileges are needed. User interaction is not needed for exploitation. The highest threat to this vulnerability is to confidentiality, integrity, as well as system availability.

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 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-667 · Improper Locking