Out-of-bounds write in Google Android - CVE-2019-9454

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Main Vulnerability Database Vulnerabilities #VU35559

Out-of-bounds write in Google Android - CVE-2019-9454

Published: September 7, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35559
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-9454
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

In the Android kernel in i2c driver there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.


Affected software

Google Android
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power 9
Red Hat Enterprise Linux for IBM System z (Structure A)
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Virtualization Host - Extended Update Support 4.2 for RHEL
kernel (Red Hat package)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
kernel-rt (Red Hat package)
kernel-alt (Red Hat package)

How to mitigate CVE-2019-9454

Install update from vendor's website.

kernel (Red Hat package) - addressed in versions 3.10.0-693.81.1.el7, 3.10.0-957.65.1.el7, 3.10.0-1062.40.1.el7, 3.10.0-1160.el7
kernel-rt (Red Hat package) - update to 3.10.0-1160.rt56.1131.el7
kernel-alt (Red Hat package) - update to 4.14.0-115.21.2.el7a

External References

Related Security Bulletins