SB2016082910 - Fedora 23 update for kernel

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Main Vulnerability Database SB2016082910

SB2016082910 - Fedora 23 update for kernel

Published: August 29, 2016 Updated: April 24, 2025

Security Bulletin ID SB2016082910
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Race condition (CVE-ID: CVE-2016-6480)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows local users to provoke a denial of service.

The vulnerability exists due to parafunction of ioctl_send_fib. By altering "double fetch" vulnerability, a local user can provoke a denial of service.

Successful exploitation of this vulnerability will allow an attacker to cause a denial of service


2) “Use-after-free” error (CVE-ID: CVE-2016-6828)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows local users to provoke a denial of service.

The vulnerability predicts TCP realization by a local user.

Successful exploitation of this vulnerability will allow an attacker to cause a denial of service.


Remediation

Install update from vendor's website.

References