EUVD-2026-85891

IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the partition resource dump interface. An attacker with authenticated administrator-level access to the HMC or service...

CVE-2026-17511

The IBM PowerVM Hypervisor is affected by a vulnerability in the partition resource dump interface (CWE-212), which allows an attacker with authenticated administrator-level access to the HMC or service processor to obtain a limited snapshot of partition processor state. This results in a confide...

CVE-2026-17511: Improper Removal of Sensitive Information Before Storage or Transfer

IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the partition resource dump interface. An attacker with authenticated administrator-level access to the HMC or service...

Security Bulletin: This Power System update is being released to address CVE-2026-17511

Summary Power Systems Firmware is affected by a vulnerability in the partition resource dump interface. An attacker with authenticated administrator-level access to the HMC or service processor can obtain a limited snapshot of partition processor state. Successful exploitation results in a...

Security Bulletin: Vulnarabilities in kernel, glibc, expat, RMC daemon, httpd and mod_http2 libraries (CVE-2026-46333, CVE-2026-4046, CVE-2026-45186, CVE-2026-14514, CVE-2025-53020, CVE-2026-49975) affect Power HMC.

Summary The kernel, glibc, expat, RMC daemon, httpd and modhttp2 libraries are used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-4046 DESCRIPTION: The iconv function in the GNU C Library versions 2.43 and earlier may crash d...

Security Bulletin: Vulnerabilities in Apache Tomcat Server library (CVE-2026-59083, CVE-2026-55956) affect Power HMC.

Summary The Apache Tomcat Server library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-59083 DESCRIPTION: Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security...

Security Bulletin: Vulnerabilities in xorg-x11-server library (CVE-2026-50256, CVE-2026-50257, CVE-2026-50258, CVE-2026-50264, CVE-2026-59083, CVE-2026-55999) affect Power HMC.

Summary The xorg-x11-server is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-55999 DESCRIPTION: Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a memory leak in PBLE objects. For the rmmod of irdma, the memory of PBLE objects is not freed. PBLE objects are not statically allocated at the time of function initialization—unlike other HMC objects. PBLEs an...

CVE-2026-4936

IBM PowerVM Hypervisor Platform KeyStore PKS and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 use persistent storage key seeds that result in an AES key with reduced strength. An attacker with access to the service processor or HMC could...

CVE-2026-4936 Power System Insufficient Entropy

IBM PowerVM Hypervisor Platform KeyStore PKS and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 use persistent storage key seeds that result in an AES key with reduced strength. An attacker with access to the service processor or HMC could...

CVE-2026-4936 Power System Insufficient Entropy

IBM PowerVM Hypervisor Platform KeyStore PKS and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 use persistent storage key seeds that result in an AES key with reduced strength. An attacker with access to the service processor or HMC could...

CVE-2026-4936

IBM PowerVM Hypervisor PKS and virtual TPM firmware (FW1110.00–.20, FW1060.00–.71, FW950.00–.H2) use weak persistent storage key seeds (CWE-331), allowing an attacker with service processor or HMC access to derive AES keys. Patch to FW1110.30, FW1060.72/80, or FW950.H3, then run sbmgr -regenerate...

EUVD-2026-62845

IBM PowerVM Hypervisor Platform KeyStore PKS and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 use persistent storage key seeds that result in an AES key with reduced strength. An attacker with access to the service processor or HMC could...

CVE-2026-16832

IBM Power Systems Firmware 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 FSP management network protocol. An attacker with authenticated HMC administrator access can execute arbitrary code on the service...

CVE-2026-16832

The vulnerability is a CWE-121: Stack-based Buffer Overflow in the FSP management network protocol. An authenticated HMC administrator can execute arbitrary code on the service processor, achieving full system control (CWE-3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H, score 8.4 HIGH). Affected firmwar...

EUVD-2026-62690

IBM Power Systems Firmware 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 FSP management network protocol. An attacker with authenticated HMC administrator access can execute arbitrary code on the service...

CVE-2026-16832 Power System Buffer Overflow

IBM Power Systems Firmware 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 FSP management network protocol. An attacker with authenticated HMC administrator access can execute arbitrary code on the service...

PT-2026-78672

IBM PowerVM Hypervisor Platform KeyStore PKS and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 use persistent storage key seeds that result in an AES key with reduced strength. An attacker with access to the service processor or HMC could...

CVE-2026-4936: Insufficient Entropy

IBM PowerVM Hypervisor Platform KeyStore PKS and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 use persistent storage key seeds that result in an AES key with reduced strength. An attacker with access to the service processor or HMC could...

CVE-2026-16832: Stack-based Buffer Overflow

IBM Power Systems Firmware 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 FSP management network protocol. An attacker with authenticated HMC administrator access can execute arbitrary code on the service...