SB2023011235 - Remote denial of service in Linux kernel NVMe



SB2023011235 - Remote denial of service in Linux kernel NVMe

Published: January 12, 2023

Security Bulletin ID SB2023011235
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2023-0122)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the nvmet_setup_auth(0 function in drivers/nvme/target/auth.c. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.