Byepervisor

Byepervisor Summary PS5 hypervisor exploit for = 2.xx firmware. Two vulnerabilities and exploit chains are contained in the repo, they are independent of each other and either can be used. One exploit is provided mainly just for preservation /oldjumptableexploit, only the primary exploit chain...

CVE-2026-80915

A flaw was found in the drm/xe component of the Linux kernel. This vulnerability involves incorrect memory allocation paths for Display Page Tables DPTs, which are used by the graphics processing unit. Under certain conditions, this could lead to the exhaustion of a specific memory region,...

UBUNTU-CVE-2026-98717

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy When walking shadow page tables, immediately terminate the walk if the root is a "dummy" root, i.e. a root whose top-level page table is backed by the zero...

CVE-2026-98717

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy When walking shadow page tables, immediately terminate the walk if the root is a "dummy" root, i.e. a root whose top-level page table is backed by the zero...

CVE-2026-98717

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy When walking shadow page tables, immediately terminate the walk if the root is a "dummy" root, i.e. a root whose top-level page table is backed by the zero...

EUVD-2026-103971

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy When walking shadow page tables, immediately terminate the walk if the root is a "dummy" root, i.e. a root whose top-level page table is backed by the zero...

CVE-2026-98717 KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy When walking shadow page tables, immediately terminate the walk if the root is a "dummy" root, i.e. a root whose top-level page table is backed by the zero...

CVE-2026-98717 KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy When walking shadow page tables, immediately terminate the walk if the root is a "dummy" root, i.e. a root whose top-level page table is backed by the zero...

CVE-2026-98717

The Linux kernel KVM component is vulnerable to a NULL pointer dereference within the x86/mmu shadow page table walking logic. The issue occurs when a race condition exists between memslot creation and a stage-2 page fault (EPT violation or #NPF) from L2. If the root is a "dummy" root—where the t...

page-table-exploitation

page-table-exploitation A demonstration of how page tables can be used to run arbitrary code in ring-0 and lead to a privesc. Uses CVE-2016-7255 as an example...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: Set UXN on swapper page tables This issue was accidentally fixed upstream via c3cee924bd85 "arm64: head: cover the entire kernel image in the initial ID map", as part of a major refactoring of the arm64 boot process. This...

CVE-2026-98373

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: preserve mremap address delta when skipping page tables movehugetlbpagetables optimizes mremap by advancing to the last entry in the page table when the source page table does not exist, either initially or after...

CVE-2026-25267

Memory corruption when non-secure loader rewrites page tables before secure memory initialization...

EUVD-2026-92971

Memory corruption when non-secure loader rewrites page tables before secure memory initialization...

CVE-2026-25267 Missing Authorization in Core

Memory corruption when non-secure loader rewrites page tables before secure memory initialization...

CVE-2026-25267 Missing Authorization in Core

Memory corruption when non-secure loader rewrites page tables before secure memory initialization...

CVE-2026-25267

A memory corruption vulnerability exists in the Core component due to a non-secure loader rewriting page tables before the secure memory initialization process begins. This flaw, categorized under CWE-862 (Missing Authorization) , could result in high impacts on confidentiality, integrity, and av...

CVE-2026-25267: Missing Authorization

Memory corruption when non-secure loader rewrites page tables before secure memory initialization...

PT-2026-106345

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Memory corruption occurs when a non-secure loader rewrites page tables before the secure memory initialization process is completed. Recommendations At the momen...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: Move page table sync declarations to linux/pgtable.h During our internal testing, we began observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: Unable to...