CVE-2026-6458

Missing cryptographic step in Caliptra Core Firmware aes256gcmupdate module results in an incorrect GCM authentication tag. When the streaming AES-256-GCM API is used with empty AAD, the hardware GHASH accumulator state is not saved after the first update call, causing the final tag to exclude th...

CVE-2026-5818

The CVE-2026-5818 entry concerns the Caliptra Core Runtime Firmware and describes an incorrect return-value check in ActivateFirmwareCmd::activate_fw modules, which allows bypassing the Core’s verification of MCU firmware during a hitless update. Affected versions are Core Runtime Firmware 2.0.0 ...

CVE-2026-6458

Missing cryptographic step in Caliptra Core Firmware aes256gcmupdate module results in an incorrect GCM authentication tag. When the streaming AES-256-GCM API is used with empty AAD, the hardware GHASH accumulator state is not saved after the first update call, causing the final tag to exclude th...

PT-2026-51609

Name of the Vulnerable Software and Affected Versions Caliptra Core Runtime Firmware versions 2.0.0 through 2.0.1 Caliptra Core Runtime Firmware version 2.1.0 Description An incorrect check of a function return value within the ActivateFirmwareCmd::activate fw modules allows the bypass of the...

CVE-2023-53487

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: allow user copy to flash block cache objects With hardened usercopy enabled CONFIGHARDENEDUSERCOPY=y, using the /proc/powerpc/rtas/firmwareupdate interface to prepare a system firmware update yields a BUG: kern...

SUSE CVE-2022-49955

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Fix RTAS MSRHV handling for Cell The semi-recent changes to MSR handling when entering RTAS firmware cause crashes on IBM Cell machines. An example trace: kernel tried to execute user page 2fff01a8 - exploit attempt...

UBUNTU-CVE-2022-49955

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Fix RTAS MSRHV handling for Cell The semi-recent changes to MSR handling when entering RTAS firmware cause crashes on IBM Cell machines. An example trace: kernel tried to execute user page 2fff01a8 - exploit attempt...

HP Workstation BIOS Security Feature Issue Vulnerability

HP Workstation is a high-performance desktop computer from Hewlett-Packard HP in the U.S. BIOS is one of the basic input and output systems. A security vulnerability exists in the HP Workstation BIOS UEFI Firmware. An attacker could exploit this vulnerability to tamper with the runtime BIOS code...