Integer overflow in Linux kernel - CVE-2019-10142
Published: July 31, 2019
Vulnerability identifier: #VU19571
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-10142
CWE-ID: CWE-190
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the freescale hypervisor manager implementation in drivers/virt/fsl_hypervisor.c. A local guest user can send specially crafted data to the affected IOCTL , trigger integer overflow and execute arbitrary code on the target system.
Affected software
Linux kernel
Fedora
kernel
kernel-headers
Fedora
kernel
kernel-headers
How to mitigate CVE-2019-10142
Install updates from vendor's website.
Linux kernel - update to 5.0.17
kernel - addressed in versions 5.0.17-100.fc28, 5.0.17-200.fc29, 5.0.17-300.fc30, 5.0.18-100.fc28
kernel-headers - update to 5.0.18-100.fc28
kernel - addressed in versions 5.0.17-100.fc28, 5.0.17-200.fc29, 5.0.17-300.fc30, 5.0.18-100.fc28
kernel-headers - update to 5.0.18-100.fc28