SB2018101029 - Fedora 28 update for kernel, kernel-headers, kernel-tools
Published: October 10, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018101029
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2018-17972)
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 update from vendor's website.