SB2019012927 - Fedora 28 update for kernel, kernel-headers, kernel-tools



SB2019012927 - Fedora 28 update for kernel, kernel-headers, kernel-tools

Published: January 29, 2019 Updated: April 24, 2025

Security Bulletin ID SB2019012927
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2018-16880)

CWE-ID: CWE-787 - Out-of-bounds write

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


The vulnerability allows an adjacent attacker to perform a denial of service (DoS) attack or execute arbitrary code.

The vulnerability exists due to out-of-bounds write in a kmalloc-8 slab on a virtual host when handling_rx() function in the [vhost_net] driver. An adjacent attacker can trigger a kernel memory corruption and cause a system panic or execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.