#VU15174 Improper access control in Linux kernel - CVE-2018-17972

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Main Vulnerability Database Vulnerabilities #VU15174

#VU15174 Improper access control in Linux kernel - CVE-2018-17972

Published: October 8, 2018


Vulnerability identifier: #VU15174
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-17972
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists within the proc_pid_stack() function in fs/proc/base.c due to the Linux kernel does not ensure that only root may inspect the kernel stack of an arbitrary task. A local user can exploit racy stack unwinding and leak kernel task stack contents.


Remediation

Install updates from vendor's website.

External links