SB2023091448 - Memory corruption in Linux kernel vmxnet3 ethernet NIC driver



SB2023091448 - Memory corruption in Linux kernel vmxnet3 ethernet NIC driver

Published: September 14, 2023

Security Bulletin ID SB2023091448
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) Double Free (CVE-ID: CVE-2023-4387)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a boundary error within the vmxnet3_rq_alloc_rx_buf() function in drivers/net/vmxnet3/vmxnet3_drv.c in VMware vmxnet3 ethernet NIC driver. A local user can  trigger a double free error and gain access to sensitive information or crash the kernel.


Remediation

Install update from vendor's website.