Security Bulletin
Summary
Kernel is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVEs.
Vulnerability Details
CVEID: CVE-2021-4155
DESCRIPTION: Linux Kernel could allow a local authenticated attacker to obtain sensitive information, caused by data leak flaw in the way how XFS_IOC_ALLOCSP IOCTL in the XFS filesystem is allowed for size increase of files with unaligned size. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information on the XFS filesystem, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216919 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
CVEID: CVE-2020-36385
DESCRIPTION: Linux Kernel could allow a local attacker to execute arbitrary code on the system, caused by a use-after-free flaw in drivers/infiniband/core/ucma.c. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203845 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2022-0492
DESCRIPTION: Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw in the cgroups v1 release_agent feature. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges and bypass namespace isolation unexpectedly.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/218777 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
Affected Product(s) | Version(s) |
IBM Netezza Host Management | IBM Netezza Host Management starting 5.4.9.0 - 5.4.31.0 |
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
31 May 2022: Original 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:
03 June 2022
UID
ibm16590947