Buffer overflow in Linux kernel - CVE-2018-9363

 

Buffer overflow in Linux kernel - CVE-2018-9363

Published: August 17, 2018 / Updated: May 30, 2020


Vulnerability identifier: #VU14453
CSH Severity: Low
CVSS v4: 5.4 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-9363
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the hidp_process_report when processing Bluetooth packets. An attacker with physical proximity to the system can send specially crafted traffic, trigger memory corruption and perform denial of service attack or execute arbitrary code.


Affected software

Linux kernel
Amazon Linux AMI
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 Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time

kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-alt (Red Hat package)
Red Hat Virtualization Host

How to mitigate CVE-2018-9363

Install updates from vendor's website.

Linux kernel - addressed in versions 4.4.149, 4.9.121, 4.14.64, 4.17.16, 4.18.2
kernel (Red Hat package) - update to 3.10.0-1062.el7
kernel-rt (Red Hat package) - update to 3.10.0-1062.rt56.1022.el7
kernel-alt (Red Hat package) - update to 4.14.0-115.el7a

External References

Related Security Bulletins