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

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...

Security Bulletin: This Power System update is being released to address CVE-2026-16832

Summary Power Systems Firmware 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 processor, giving full control over the managed system, resulting in a confidentiality, integrity...

Security Bulletin: This Power System update is being released to address CVE-2026-4936

Summary PowerVM Platform KeyStore PKS and virtual TPM 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 exploit this weakness to derive the encryption key and access the data. Vulnerability Details...

CVE-2026-12943

IBM HMC V10.3.1050.0 through 10.3.1064.0 and IBM HMC V11.1.1110.0 through 11.1.1112.0 Management systems in IBM Power environments HMC and Novalink could allow an unauthenticated user to execute arbitrary commands with elevated privileges on the system due to improper validation of user supplied...

Security Bulletin: Vulnerabilities in Apache Tomcat Server library (CVE-2026-41293, CVE-2026-24880) 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-2026-41293 DESCRIPTION: Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1...

Security Bulletin: Vulnerabilities in xorg-x11-server library (CVE-2026-33999, CVE-2026-34001, CVE-2026-34003) affect Power HMC.

Summary The xorg-x11-server library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-33999 DESCRIPTION: A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility...

Security Bulletin: Vulnerabilities in kernel library (CVE-2025-68724, CVE-2026-31431) affect Power HMC.

Summary The kernel library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2025-68724 DESCRIPTION: In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetrickeys - prevent overflow in...

Security Bulletin: Vulnarability in commons-beanutils library (CVE-2019-10086) affects Power HMC.

Summary The commons-beanutils library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2019-10086 DESCRIPTION: In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability...

Security Bulletin: Vulnarability in openssl library (CVE-2025-69419) affects Power HMC.

Summary The openssl library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2025-69419 DESCRIPTION: Issue summary: Calling PKCS12getfriendlyname function on a maliciously crafted PKCS12 file with a BMPString UTF-16BE friendly...

Security Bulletin: Vulnarability in kernel library (CVE-2025-71085) affects Power HMC.

Summary The kernel library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2025-71085 DESCRIPTION: In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetatt...

Security Bulletin: Vulnarability in grub2 library (CVE-2025-61662) affects Power HMC.

Summary The grub2 library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2025-61662 DESCRIPTION: A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the...

Security Bulletin: Vulnarability in jackson-core library (WS-2026-0003) affects Power HMC.

Summary The jackson-core library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details ID:WS-2026-0003 DESCRIPTION: The non-blocking async JSON parser in jackson-core bypasses the maxNumberLength constraint default: 1000 characters defined i...

Astra Linux – Vulnerability found in Linux 5.10, 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’ memory is not statically allocated at the time of function initialization—unlike other HMC objects...