Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987532)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987532 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/fixmap: Fix VM debug warning on unmap Unmapping a fixmap entry is done by calling setfixm...

Linux kernel PowerPC Fixmap DoS

The vulnerability of the powerpc/fixmap components in the Linux operating system’s kernel is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause service failures...

SUSE CVE-2021-47623

In the Linux kernel, the following vulnerability has been resolved: powerpc/fixmap: Fix VM debug warning on unmap Unmapping a fixmap entry is done by calling setfixmap with FIXMAPPAGECLEAR as flags. Today, powerpc setfixmap calls mapkernelpage. mapkernelpage is not happy when called a second time...

CVE-2021-47623

In the Linux kernel, the following vulnerability has been resolved: powerpc/fixmap: Fix VM debug warning on unmap Unmapping a fixmap entry is done by calling setfixmap with FIXMAPPAGECLEAR as flags. Today, powerpc setfixmap calls mapkernelpage. mapkernelpage is not happy when called a second time...

CVE-2021-47623 powerpc/fixmap: Fix VM debug warning on unmap

In the Linux kernel, the following vulnerability has been resolved: powerpc/fixmap: Fix VM debug warning on unmap Unmapping a fixmap entry is done by calling setfixmap with FIXMAPPAGECLEAR as flags. Today, powerpc setfixmap calls mapkernelpage. mapkernelpage is not happy when called a second time...

CVE-2021-47623

CVE-2021-47623 affects the PowerPC path in the Linux kernel where unmapping a fixmap entry via __set_fixmap() (FIXMAP_PAGE_CLEAR) ends up calling map_kernel_page(), which fails if invoked a second time for the same page. The connected documents confirm the root cause in arch/powerpc/mm/pgtable.c ...

CVE-2021-47623: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: powerpc/fixmap: Fix VM debug warning on unmap Unmapping a fixmap entry is done by calling setfixmap with FIXMAPPAGECLEAR as flags. Today, powerpc setfixmap calls mapkernelpage. mapkernelpage is not happy when called a second time...

PT-2022-28690

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.24 Description The issue is related to a VM debug warning on unmap in the powerpc/fixmap area of the Linux Kernel. The actual impact and attack plausibility have not yet been proven. Recommendations For Lin...

PT-2022-28634

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.101 Description The issue is related to a VM debug warning on unmap in the powerpc/fixmap area of the Linux Kernel. The actual impact and attack plausibility have not yet been proven. Recommendations For...

PT-2022-28765

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.16.10 Description A potential security issue has been identified in the powerpc/fixmap area of the Linux Kernel, which may cause a VM debug warning on unmap. The actual impact and attack plausibility have not...

PT-2024-10542

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.16.0-rc3-s3k-dev-01993-g350ff07feb7d-dirty Description The vulnerability is related to the powerpc/fixmap component of the Linux kernel. It is caused by the function map kernel page being called a second time f...