Security Bulletin: This Power System update is being released to address CVE-2026-96264

Summary Power Systems Firmware is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox message to overflow host firmware runtime attribute storage, allowing arbitrary code to be...

Security Bulletin: This Power System update is being released to address CVE-2026-96262

Summary Power Systems Firmware is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox message to overflow host firmware runtime attribute storage, allowing arbitrary code to be...

CVE-2026-16707

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox...

CVE-2026-16661

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can exploit this vulnerability,...

CVE-2026-16707

IBM PowerVM Hypervisor firmware (FW1120.00, FW1110.00–FW1110.30, FW1060.00–FW1060.80, FW950.00–FW950.H2) is vulnerable to an out-of-bounds read (CWE-125) in the service processor mailbox interface . An attacker with authenticated service-level access to the FSP can send a crafted mailbox message ...

CVE-2026-16707 Power System Out-of-bounds Read

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox...

CVE-2026-16707 Power System Out-of-bounds Read

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox...

CVE-2026-16661 Power System Integer Overflow

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can exploit this vulnerability,...

CVE-2026-16661 Power System Integer Overflow

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can exploit this vulnerability,...

CVE-2026-17100

Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1, and OP940.00 - OP940.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access ...

CVE-2026-17100

IBM Power Systems Firmware is affected by an out-of-bounds write (CWE-787) in the service processor mailbox interface . An attacker with authenticated service-level access to the BMC/FSP can exploit this to execute arbitrary code in the host firmware runtime , gaining full control over the manage...

CVE-2026-16661: Integer Overflow or Wraparound

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can exploit this vulnerability,...

PT-2026-78568

Name of the Vulnerable Software and Affected Versions Power Systems Firmware version FW1120.00 Power Systems Firmware versions FW1110.00 through FW1110.30 Power Systems Firmware versions FW1060.00 through FW1060.80 Power Systems Firmware versions FW950.00 through FW950.H2 Power Systems Firmware...

CVE-2026-16707: Out-of-bounds Read

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox...

PT-2026-78657

Name of the Vulnerable Software and Affected Versions IBM PowerVM Hypervisor version FW1120.00 IBM PowerVM Hypervisor versions FW1110.00 through FW1110.30 IBM PowerVM Hypervisor versions FW1060.00 through FW1060.80 IBM PowerVM Hypervisor versions FW950.00 through FW950.H2 Description A flaw exist...

PT-2026-78588

Name of the Vulnerable Software and Affected Versions IBM PowerVM Hypervisor version FW1120.00 IBM PowerVM Hypervisor versions FW1110.00 through FW1110.30 IBM PowerVM Hypervisor versions FW1060.00 through FW1060.80 IBM PowerVM Hypervisor versions FW950.00 through FW950.H2 Description A flaw exist...

CVE-2026-17100: Out-of-bounds Write

Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1, and OP940.00 - OP940.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access ...

Security Bulletin: This Power System update is being released to address CVE-2026-16707

Summary Power Systems Firmware is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox message to read or modify arbitrary regions of Hostboot memory, compromising the host...

ixgbevf: fix mailbox API compatibility by negotiating supported features

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AZL-69400 CVE-2025-40104 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: ixgbevf: fix mailbox API compatibility by negotiating supported features There was backward compatibility in the terms of mailbox API. Various drivers from various OSes supporting 10G adapters from Intel portfolio could easily...