CVE-2021-39636

Published: Dec 15, 2021Modified: Jun 17, 2026

4.4

Vector

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

Exploitability: 0.8 / Impact: 3.6

Source: NVD

Description

In do_ipt_get_ctl and do_ipt_set_ctl of ip_tables.c, there is a possible way to leak kernel information due to uninitialized data. This could lead to local information disclosure with system execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-120612905References: Upstream kernel

Affected (1)

Products: Google: Android

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Google Android	All versions

Related CWEs

Improper Initialization

The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.

References (2)

https://source.android.com/security/bulletin/pixel/2021-12-01

Source: security@android.com

PatchVendor Advisory

https://source.android.com/security/bulletin/pixel/2021-12-01

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.