Use-after-free in Google Android - CVE-2020-0305

Vulnerability identifier: #VU34138

CSH Severity: Low

CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-0305

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local privileged user to execute arbitrary code.

In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-153467744

Google Android
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
kernel (Red Hat package)

Install update from vendor's website.

kernel (Red Hat package) - update to 4.18.0-240.el8

• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
• https://source.android.com/security/bulletin/pixel/2020-06-01

• Use-after-free in Google, Google Android
• Red Hat Enterprise Linux 8 update for kernel