SB2022111843 - Use-after-free in IBM Cloud Object Storage Systems



SB2022111843 - Use-after-free in IBM Cloud Object Storage Systems

Published: November 18, 2022

Security Bulletin ID SB2022111843
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) Use-after-free (CVE-ID: CVE-2022-1184)

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in fs/ext4/namei.c:dx_insert_block() function in the Linux kernel’s filesystem sub-component.. A local user can trigger use-after-free and perform a denial of service attack.


Remediation

Install update from vendor's website.