SB2017103022 - Fedora 26 update for kernel



SB2017103022 - Fedora 26 update for kernel

Published: October 30, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017103022
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2017-15951)

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to the KEYS subsystem does not correctly synchronize the actions of updating versus finding a key in the "negative" state. A local attacker can make a specially crafted system calls, trigger race condition and cause the service to crash.

Successful exploitation of the vulnerability results in denial of service.

Remediation

Install update from vendor's website.