CVE-2026-89961

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: fix wrong addrpfn tracking in compound vmemmap population vmemmappopulatecompoundpages uses addrpfn to determine the PFN offset within a compound page and to decide whether the current vmemmap slot should be populated...

CVE-2026-89961 powerpc/mm: fix wrong addr_pfn tracking in compound vmemmap population

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: fix wrong addrpfn tracking in compound vmemmap population vmemmappopulatecompoundpages uses addrpfn to determine the PFN offset within a compound page and to decide whether the current vmemmap slot should be populated...

EUVD-2026-80561

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: fix wrong addrpfn tracking in compound vmemmap population vmemmappopulatecompoundpages uses addrpfn to determine the PFN offset within a compound page and to decide whether the current vmemmap slot should be populated...

CVE-2026-89961

CVE-2026-89961 affects the Linux kernel 's powerpc/mm subsystem, specifically the vmemmap_populate_compound_pages() function. The root cause is a mismatch in how addr_pfn is advanced relative to the loop's addr variable in vmemmap address space. Because each PAGE_SIZE step in addr spans PAGE_SIZE...

CVE-2026-89961 powerpc/mm: fix wrong addr_pfn tracking in compound vmemmap population

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: fix wrong addrpfn tracking in compound vmemmap population vmemmappopulatecompoundpages uses addrpfn to determine the PFN offset within a compound page and to decide whether the current vmemmap slot should be populated...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel, which originates from an error in the kfence page in the powerpc/mm/fault module...

RHEL 9 : kernel-rt (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 9 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - kernel: powerpc/mm: Fix null-pointer dereference in pgtablecacheadd CVE-2023-52607 - In the Linux kernel,...

CVE-2023-52607

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtablecacheadd kasprintf returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity...

CVE-2023-52607

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtablecacheadd kasprintf returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity...

CVE-2023-52607 powerpc/mm: Fix null-pointer dereference in pgtable_cache_add

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtablecacheadd kasprintf returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity...