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ibmIBM430FBC783833F5724A482A740CF23C1223A86A8EE13ECF36355FA8A047E36670
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

4.6 Medium

CVSS2

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

7.8 High

CVSS3

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

8.7 High

CVSS4

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

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
ibmhost_on-demandMatchany
CPENameOperatorVersion
ibm netezza host managementeqany

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4.6 Medium

CVSS2

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

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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

8.7 High

CVSS4

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

0.0004 Low

EPSS

Percentile

5.1%

JSON
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