Information disclosure in Linux kernel - CVE-2018-5953
Published: August 13, 2018 / Updated: August 17, 2018
Vulnerability identifier: #VU14449
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5953
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local attacker to obtain potentially sensitive information.
The vulnerability exists in the swiotlb_print_info() function, as defined in the lib/swiotlb.c source code file due to the printk function prints kernel-object address information. A local attacker can access the system and use a software IO TLB call to read the kernel log.
Remediation
Update to version 4.14.15.