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HistoryOct 20, 2022 - 11:04 a.m.

Security Bulletin: Publicly disclosed vulnerability from Kernel affects IBM Netezza Host Management

2022-10-2011:04:10
www.ibm.com
8
ibm netezza host management
kernel
vulnerability
ibm
cve-2021-22543
linux kernel
elevated privileges
kvm
vm_io
vm_pfnmap
cvss base
cvss temporal
cvss vector
affected products
version 5.4.9.0
version 5.4.32.0
remediation
fix central link

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS4

8.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/SC:H/VI:H/SI:H/VA:L/SA:L

EPSS

0

Percentile

5.1%

Summary

Kernel is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVE.

Vulnerability Details

CVEID:CVE-2021-22543
**DESCRIPTION:**Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by improper handling of VM_IO|VM_PFNMAP vmas in KVM. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges to start and control a VM to read/write random pages of memory.
CVSS Base score: 7.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202561 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Netezza Host Management IBM Netezza Host Management starting 5.4.9.0 - 5.4.32.0

Remediation/Fixes

Product VRMF Remediation/Fix
IBM Netezza Host Management 5.4.33.0 Fix Central Link

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmnetezzaMatchany

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS4

8.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/SC:H/VI:H/SI:H/VA:L/SA:L

EPSS

0

Percentile

5.1%