SB2019012924 - Out-of-bounds write in Linux kernel

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Main Vulnerability Database SB2019012924

SB2019012924 - Out-of-bounds write in Linux kernel

Published: January 29, 2019 Updated: May 30, 2020

Security Bulletin ID SB2019012924
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 security vulnerability.


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

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.

References