Security Bulletin: This Power System update is being released to address CVE-2026-11885

Summary A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise system or OS memory integrity. Vulnerability Details CVEID:CVE-2026-11885 DESCRIPTION: A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory...

K000156609: GNU C Library for IBM POWER vulnerability CVE-2025-5702

Security Advisory Description The strcmp implementation optimized for the Power10 processor in the GNU C Library version 2.39 and later writes to vector registers v20 to v31 without saving contents from the caller those registers are defined as non-volatile registers by the powerpc64le ABI,...

USN-7634-1 glibc vulnerabilities

It was discovered that the GNU C Library incorrectly handled the strcmp implementation optimized for Power10 processors. This could cause applications to crash, compute wrong results, or leak confidential information. CVE-2025-5702 It was discovered that the GNU C Library incorrectly handled the...

SUSE CVE-2025-5702

The strcmp implementation optimized for the Power10 processor in the GNU C Library version 2.39 and later writes to vector registers v20 to v31 without saving contents from the caller those registers are defined as non-volatile registers by the powerpc64le ABI, resulting in overwriting of its...

SUSE CVE-2025-5745

The strncmp implementation optimized for the Power10 processor in the GNU C Library version 2.40 and later writes to vector registers v20 to v31 without saving contents from the caller those registers are defined as non-volatile registers by the powerpc64le ABI, resulting in overwriting of its...

DEBIAN-CVE-2025-5745

The strncmp implementation optimized for the Power10 processor in the GNU C Library version 2.40 and later writes to vector registers v20 to v31 without saving contents from the caller those registers are defined as non-volatile registers by the powerpc64le ABI, resulting in overwriting of its...

UBUNTU-CVE-2025-5745

The strncmp implementation optimized for the Power10 processor in the GNU C Library version 2.40 and later writes to vector registers v20 to v31 without saving contents from the caller those registers are defined as non-volatile registers by the powerpc64le ABI, resulting in overwriting of its...

DEBIAN-CVE-2025-5702

The strcmp implementation optimized for the Power10 processor in the GNU C Library version 2.39 and later writes to vector registers v20 to v31 without saving contents from the caller those registers are defined as non-volatile registers by the powerpc64le ABI, resulting in overwriting of its...

CVE-2023-30438

An internally discovered vulnerability in PowerVM on IBM Power9 and Power10 systems could allow an attacker with privileged user access to a logical partition to perform an undetected violation of the isolation between logical partitions which could lead to data leakage or the execution of...