Resource exhaustion in mdadm - CVE-2023-28938

 

Resource exhaustion in mdadm - CVE-2023-28938

Published: August 14, 2023


Vulnerability identifier: #VU79481
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-28938
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to application does not properly control consumption of internal resources. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.


Affected software

mdadm
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Basesystem Module
openSUSE Leap
openEuler
mdadm-help
mdadm-debugsource
mdadm-debuginfo
mdadm

How to mitigate CVE-2023-28938

Install updates from vendor's website.

mdadm - update to 4.2
mdadm-help - addressed in versions 4.1 rc2.0.16, 4.1-11
mdadm-debugsource - addressed in versions 4.1 rc2.0.16, 4.1-11
mdadm-debuginfo - addressed in versions 4.1 rc2.0.16, 4.1-11
mdadm - addressed in versions 4.1 rc2.0.16, 4.1-11
mdadm-debuginfo - addressed in versions 4.1-4.29.1, 4.1-150300.24.33.1
mdadm - addressed in versions 4.1-4.29.1, 4.1-150300.24.33.1
mdadm-debugsource - addressed in versions 4.1-4.29.1, 4.1-150300.24.33.1

External References

Related Security Bulletins