Security Bulletin: This Power System update is being released to address CVE 2023-30440

Summary A vulnerability was identified internally by IBM related to SRIOV virtual function support in PowerVM. An attacker with privileged user access to a logical partition that has an assigned SRIOV virtual function VF may be able to create a Denial of Service of the VF assigned to other logica...

CVE-2023-30440

IBM PowerVM Hypervisor FW860.00 through FW860.B3, FW950.00 through FW950.70, FW1010.00 through FW1010.50, FW1020.00 through FW1020.30, and FW1030.00 through FW1030.10 could allow a local attacker with control a partition that has been assigned SRIOV virtual function VF to cause a denial of servic...

CVE-2023-30440 IBM PowerVM Hypervisor denial of service

IBM PowerVM Hypervisor FW860.00 through FW860.B3, FW950.00 through FW950.70, FW1010.00 through FW1010.50, FW1020.00 through FW1020.30, and FW1030.00 through FW1030.10 could allow a local attacker with control a partition that has been assigned SRIOV virtual function VF to cause a denial of servic...

CVE-2023-30440

CVE-2023-30440 affects IBM PowerVM Hypervisor across multiple firmware branches (FW860, FW950, FW1010, FW1020, FW1030). The issue allows a local attacker who controls a partition with an SRIOV VF to cause a denial of service to a peer partition or arbitrary data corruption. Root cause details spe...