Security Bulletin: Privilege escalation attack might affect IBM Storage Defender – Data Protect

Summary

IBM Storage Defender – Data Protect is vulnerable and can result in data confidentiality and service availabilty issues. The vulnerabilitiy has been addressed. CVE-2023-4623

Vulnerability Details

CVEID:CVE-2023-4623
**DESCRIPTION:**Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a use-after-free flaw in the net/sched: sch_hfsc (HFSC qdisc traffic control) component. By sending a specially crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges.
CVSS Base score: 10
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/265426 for the current score.
CVSS Vector:

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends updating IBM Storage Defender – Data Protect to version 2.0.5.1 or later. Reference this document which describes how to download installation images for IBM Storage Defender. Link to Fix Central here.

Workarounds and Mitigations

None