Security Bulletin: This Power System update is being released to address CVE-2025-49087

Summary Mbed-TLS is used by partition firmware for Linux secure boot. This update is being released to mitigate any potential impacts to Linux partitions with secure boot enabled. Vulnerability Details CVEID:CVE-2025-49087 DESCRIPTION: In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing...

Security Bulletin: This Power System update is being released to address CVE-2025-36194

Summary The PowerVM hypervisor may expose a limited amount of data to a peer partition in specific shared processor configurations during certain operations. Vulnerability Details CVEID:CVE-2025-36194 DESCRIPTION: IBM PowerVM hypervisor may expose a limited amount of data to a peer partition in...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004317)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004317 advisory. A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest system running on to...

CVE-2022-35643

IBM PowerVM VIOS 3.1 could allow a remote attacker to tamper with system configuration or cause a denial of service. IBM X-Force ID: 230956...