#VU12338 Integer overflow in Linux kernel - CVE-2018-8781
Published: May 2, 2018 / Updated: May 18, 2020
Vulnerability identifier: #VU12338
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-8781
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists in the udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c due to integer overflow. A local attacker can gain full read and write permissions on kernel physical pages and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists in the udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c due to integer overflow. A local attacker can gain full read and write permissions on kernel physical pages and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Update to version 4.15.1.