Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987141)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987141 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix early region not updated correctly The shadow's page table is not updated when...

CVE-2021-47640 powerpc/kasan: Fix early region not updated correctly

In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix early region not updated correctly The shadow's page table is not updated when PTERPNSHIFT is 24 and PAGESHIFT is 12. It not only causes false positives but also false negative as shown the following text. Fix ...

CVE-2021-47640

CVE-2021-47640 describes a Linux kernel vulnerability in the powerpc/KASAN pathway where the shadow page table was not updated correctly when PTE_RPN_SHIFT = 24 and PAGE_SHIFT = 12. The issue caused false positives and false negatives in KASAN reports (vmalloc-out-of-bounds in pcpu_alloc) and was...

GSD-2022-1002217 powerpc/kasan: Fix early region not updated correctly

powerpc/kasan: Fix early region not updated correctly This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.189 by commit...

GSD-2022-1001779 powerpc/kasan: Fix early region not updated correctly

powerpc/kasan: Fix early region not updated correctly This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.33 by commit...

GSD-2022-1001459 powerpc/kasan: Fix early region not updated correctly

powerpc/kasan: Fix early region not updated correctly This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.16.19 by commit...

GSD-2022-1001137 powerpc/kasan: Fix early region not updated correctly

powerpc/kasan: Fix early region not updated correctly This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.2 by commit...