Information disclosure in Linux kernel - CVE-2018-6412
Published: May 30, 2018 / Updated: May 30, 2018
Vulnerability identifier: #VU13041
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-6412
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to integer signedness error in the sbusfb_ioctl_helper function in drivers/video/fbdev/sbuslib.c. A remote attacker can use vector related to the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands to access arbitrary data.
The weakness exists due to integer signedness error in the sbusfb_ioctl_helper function in drivers/video/fbdev/sbuslib.c. A remote attacker can use vector related to the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands to access arbitrary data.
How to mitigate CVE-2018-6412
The vulnerability is addressed in the following versions: 4.4.134, 4.9.104, 4.14.45.