IBM MQ Appliance update for Linux kernel

1) Use of uninitialized resource

EUVDB-ID: #VU91675

Risk: Low

CVSSv4.0: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2024-36020

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

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

The vulnerability exists due to use of uninitialized resource within the i40e_reset_all_vfs() function in drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM MQ: 9.3 - 9.4.1

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_mq:9.3:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3.0.25:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.4:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.4.1:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7178239

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.