SB2023120827 - openEuler 22.03 LTS SP1 update for kernel



SB2023120827 - openEuler 22.03 LTS SP1 update for kernel

Published: December 8, 2023

Security Bulletin ID SB2023120827
Severity
Medium
Patch available
YES
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) Use-after-free (CVE-ID: CVE-2023-1193)

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

The vulnerability exists due to a use-after-free error in setup_async_work in the KSMBD implementation of the in-kernel samba server and CIFS. A remote user can send specially crafted request to the server and crash the system.


Remediation

Install update from vendor's website.