PT-2026-78458

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Improper authentication in the system could allow a remote attacker to gain root privileges. Recommendations At the moment, there is no information about a newer version tha...

PT-2026-78616

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A stack buffer overflow allows a remote attacker to execute arbitrary code. A stack buffer overflow occurs when a program writes more data to a buffer located on...

PT-2026-78603

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description A stack buffer overflow allows a remote attacker to execute arbitrary code. A stack buffer overflow occurs when a program writes more data to a buffer located on the stack...

PT-2026-78666

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A stack buffer overflow allows a remote authenticated attacker to execute arbitrary code. A stack buffer overflow occurs when a program writes more data to a buff...

PT-2026-78431

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 Description Improper control of format strings may allow a local attacker to obtai...

PT-2026-78600

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A time-of-check to time-of-use TOCTOU race condition exists, which could allow a local attacker to overwrite critical files and obtain sensitive information. A...

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...

PT-2026-78623

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Improper enforcement of Role-Based Access Control RBAC authentication roles may allow a local attacker to obtain root privileges. RBAC is a method of restricting system acce...

PT-2026-78594

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A remote attacker could cause a denial of service due to a NULL pointer dereference, which occurs when a program attempts to read or write to a memory address tha...

PT-2026-78590

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Improper certificate validation allows a remote attacker to impersonate the TNC policy server and modify network traffic. Recommendations At the moment, there is no...

PT-2026-78430

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Network Installation Management NIM contains a flaw where TLS certificates are not properly validated. This could allow a remote attacker to gain unauthorized access to AIX...

PT-2026-78461

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Improper privilege management may allow a local attacker to gain elevated privileges. Recommendations At the moment, there is no information about a newer version that...

PT-2026-78667

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A stack buffer overflow allows a remote attacker to execute arbitrary code. A stack buffer overflow occurs when a program writes more data to a buffer located on...

PT-2026-78621

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description A stack-based buffer overflow allows a remote attacker to execute arbitrary code. A stack-based buffer overflow occurs when a program writes more data to a buffer located on...

Security Bulletin: This Power System update is being released to address CVE-2026-22796

Summary PowerVM relies on OpenSSL to support a range of features, such as virtual TPM, LPM, and other functionalities that require cryptographic operations. This bulletin provides a remediation for the impacted vulnerability, CVE-2026-22796 by upgrading PowerVM and thus addressing the exposure to...

Security Bulletin: This Power System update is being released to address CVE-2026-4937

Summary PowerVM could allow a local attacker with administrative privileges to decrypt encrypted data due to certain hypervisor calls utilizing less entropy than requested. Vulnerability Details CVEID:CVE-2026-4937 DESCRIPTION: PowerVM could allow a local attacker with administrative privileges t...

Security Bulletin: This Power System update is being released to address CVE-2026-18871

Summary Power Systems Firmware is affected by a vulnerability in host firmware configuration parsing. An attacker with authenticated service-level access to the service processor can write specially crafted configuration data, causing the host firmware boot stack to crash with possible memory...

Security Bulletin: This Power System update is being released to address CVE-2026-16661

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 exploit this vulnerability, allowing arbitrary code to be executed in the host firmware runtime, giving full control over th...

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...

Security Bulletin: This Power System update is being released to address CVE-2026-17414

Summary Power Systems Firmware is affected by a vulnerability in partition firmware during network boot. An unauthenticated attacker with access to the same network as a partition performing a network boot can prevent that partition from completing its boot sequence. On partitions where OS secure...