CVE-2019-2215 Android Kernel Use-After-Free

What is CVE-2019-2215?

CVE-2019-2215 is a high-severity use after free vulnerability in Canonical Ubuntu Linux, published on 11 Oct 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A use-after-free in binder.c allows an elevation of privilege from an application to the Linux Kernel. No user interaction is required to exploit this vulnerability, however exploitation does require either the installation of a malicious local application or a separate vulnerability in a network facing application.Product: AndroidAndroid ID: A-141720095

Weakness: CWE-416

Which versions are affected by CVE-2019-2215?

It affects 77 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Google Android, Huawei Alp-Al00b Firmware, Huawei Alp-Tl00b Firmware, Huawei Anne-Al00 Firmware and 71 more.

How do I fix CVE-2019-2215?

Apply the vendor's patch. US federal agencies must fix it by 3 May 2022.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-2215 being exploited?

Yes. Attackers have exploited CVE-2019-2215 in the wild since at least 3 Nov 2021.

Public exploit code: 1 Metasploit module, 3 Exploit-DB entries and 36 proofs of concept on GitHub.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-2215, GHSA-m7g6-9cwp-6jgm, UBUNTU-CVE-2019-2215.