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CVE-2022-34331: Security Bulletin: This Power System update is being released to address CVE 2022-34331

After performing a sequence of Power FW950, FW1010 maintenance operations a SRIOV network adapter can be improperly configured leading to desired VEPA configuration being disabled. IBM X-Force ID: 229695.

CVE
#vulnerability#ios#perl#ibm

Summary

A security problem for CVE-2022-34331 was addressed where switches configured to monitor network traffic for malicious activity are not effective because of errant adapter configuration changes. The misconfigured adapter can cause network traffic to flow directly between the VFs and not out the physical port hence bypassing any possible monitoring that could be configured in the switch. Packets may not be forwarded after a firmware update, or after certain error scenarios which require an adapter reset. Users configuring or using VEPA mode should install this update. These fixes pertain to adapters with the following Feature Codes and CCINs: #EC2R/EC2S with CCIN 58FA; #EC2T/EC2U with CCIN 58FB; and #EC66/EC67 with CCIN 2CF3. Update instructions: https://www.ibm.com/docs/en/power10?topic=updates-sr-iov-firmware-update

Vulnerability Details

CVEID: CVE-2022-34331
DESCRIPTION: After performing a sequence of Power FW maintenance operations a SRIOV network adapter can be improperly configured leading to desired VEPA configuration being disabled.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/229695 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L)

Affected Products and Versions

Affected Product(s)

Version(s)

PowerVM Hypervisor

FW1010 and later

PowerVM Hypervisor

FW950 and later

Remediation/Fixes

Customers with the products below should install FW950.50(950_105), FW1010.40(1010_146) or newer to remediate this concern.

Power 9

  1. IBM Power System S922 (9009-22A, 9009-22G)

  2. IBM Power System H922 (9223-22H, 9223-22S)

  3. IBM Power System S914 (9009-41A, 9009-41G)

  4. IBM Power System S924 (9009-42A, 9009-42G)

  5. IBM Power System H924 (9223-42H, 9223-42S)

  6. IBM Power System E950 (9040-MR9)

  7. IBM Power System E980 (9080-M9S)

Power 10

  1. IBM Power System E1080 (9080-HEX)

Workarounds and Mitigations

None

References

Off

Change History

20 Oct 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an “industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.” IBM PROVIDES THE CVSS SCORES “"AS IS"” WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. “Affected Products and Versions” referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.

Document Location

Worldwide

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