kernel: iommu: disable SVA when CONFIG_X86 is set

A security vulnerability was found in the Linux kernel's IOMMU Shared Virtual Addressing SVA implementation on x86 architecture. When SVA is enabled, the IOMMU caches kernel page table entries. Since the kernel lacks a mechanism to notify the IOMMU when kernel page table pages are freed and...

kernel: iommu: disable SVA when CONFIG_X86 is set

A security vulnerability was found in the Linux kernel's IOMMU Shared Virtual Addressing SVA implementation on x86 architecture. When SVA is enabled, the IOMMU caches kernel page table entries. Since the kernel lacks a mechanism to notify the IOMMU when kernel page table pages are freed and...

kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. A local attacker with privileges on the host system could exploit a vulnerability in how KVM handles shadow page table entries SPTEs during memory-mapped I/O MMIO operations. By manipulating guest page table entrie...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: Avoid leaving partial pfn mappings in error cases. As Jann points out, PFN mappings are special. Unlike normal memory mappings, there is no lifetime information associated with the mapping—it’s simply a raw mapping of PFNs,...

CVE-2026-31466 mm/huge_memory: fix folio isn't locked in softleaf_to_folio()

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix folio isn't locked in softleaftofolio On arm64 server, we found folio that get from migration entry isn't locked in softleaftofolio. This issue triggers when mTHP splitting and zapnonpresentptes races, and the...

AZL-67247 CVE-2025-39776 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: mm/debugvmpgtable: clear page table entries at destroyargs The mm/debugvmpagetable test allocates manually page table entries for the tests it runs, using also its manually allocated mmstruct. That in itself is ok, but when it...

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 the Linux kernel that stems from the mm/debugvmpagetable test not properly clearing manually allocated page table entries, which could cause...

Linux Distros Unpatched Vulnerability : CVE-2023-53077

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes WHY When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dmllog2...

DEBIAN-CVE-2024-50208

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Fix a bug while setting up Level-2 PBL pages Avoid memory corruption while setting up Level-2 PBL pages for the non MR resources when numpages 256K. There will be a single PDE page address contiguous pages in the cas...

SUSE CVE-2021-47094

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Don't advance iterator after restart due to yielding After dropping mmulock in the TDP MMU, restart the iterator during tdpiternext and do not advance the iterator. Advancing the iterator results in skipping the...

CVE-2021-28710

certain VT-d IOMMUs may not work in shared page table mode For efficiency reasons, address translation control structures page tables may and, on suitable hardware, by default will be shared between CPUs, for second-level translation EPT, and IOMMUs. These page tables are presently set up to alwa...