Security Bulletin: Publicly disclosed vulnerabilities from Kernel affect IBM Netezza Host Management

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

Remediation/Fixes

Workarounds and Mitigations

None