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...

The vulnerability of the powerpc/fixmap components of the Linux operating system’s kernel allows a hacker to cause a service failure.

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

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 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...