Security Bulletin
Summary
IBM MQ Appliance has resolved a denial of service vulnerability.
Vulnerability Details
CVEID: CVE-2020-35513
DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a flaw with incorrectly umask during file or directory modification in the NFS (network file system) function. By sending a specially-crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195545 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a flaw with incorrectly umask during file or directory modification in the NFS (network file system) function. By sending a specially-crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195545 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM MQ Appliance | 9.2 CD |
| IBM MQ Appliance | 9.2 LTS |
Remediation/Fixes
This vulnerability is addressed under IT41610
IBM strongly recommends addressing the vulnerability now.
IBM MQ Appliance version 9.2 LTS
Apply interim fix firmware for APARs IT41579 IT41610 IT41682, or later firmware.
IBM MQ Appliance version 9.2 CD
Apply 9.2.5-CSU02, or later firmware.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Off
Change History
22 Aug 2022: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
24 August 2022
UID
ibm16614537