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 improper use of hmmpfntomaporder, which could lead to memory mapping errors...

Linux Distros Unpatched Vulnerability : CVE-2025-40336

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/gpusvm: fix hmmpfntomaporder usage Handle the case where the hmm range partially covers a huge page like 2M, otherwise we can potentially end up doing...

Linux Distros Unpatched Vulnerability : CVE-2025-40334

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amdgpu: validate userq buffer virtual address and size It needs to validate the userq object virtual address to determine whether it is residented in a vali...

CVE-2023-53753

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix mapping to non-allocated address Why There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an array out of bounds. How Patch correct numbers of bounds for using...

CVE-2022-50619

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix memory leak in kfdmemdmamapuserptr If the number of pages from the userptr BO differs from the SG BO then the allocated memory for the SG table doesn't get freed before returning -EINVAL, which may lead to a memor...

DEBIAN-CVE-2022-50619

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix memory leak in kfdmemdmamapuserptr If the number of pages from the userptr BO differs from the SG BO then the allocated memory for the SG table doesn't get freed before returning -EINVAL, which may lead to a memor...

UBUNTU-CVE-2023-53753

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix mapping to non-allocated address Why There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an array out of bounds. How Patch correct numbers of bounds for using...

CVE-2023-53753

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix mapping to non-allocated address Why There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an array out of bounds. How Patch correct numbers of bounds for using...

Linux Distros Unpatched Vulnerability : CVE-2025-40311

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - accel/habanalabs: support mapping cb with vmalloc-backed coherent memory When IOMMU is enabled, dmaalloccoherent with GFPUSER may return addresses from the...

PT-2025-49483

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue related to memory mapping within the DRM/AMD/display subsystem. The problem involves mapping to a non-allocated memory location, specifically an...

PT-2025-49484

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue within the lpfc module related to memory mapping in the lpfc sli4 pci mem setup function. Specifically, when if type is zero and pci resource startpdev...

Linux Distros Unpatched Vulnerability : CVE-2023-53753

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 mapping to non-allocated address Why There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an...

CVE-2025-40230

In the Linux kernel, the following vulnerability has been resolved: mm: prevent poison consumption when splitting THP When performing memory error injection on a THP Transparent Huge Page mapped to userspace on an x86 server, the kernel panics with the following trace. The expected behavior is to...

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 nios2 not setting memblock.currentlimit correctly, which could lead to memory mapping out-of-bounds...

UBUNTU-CVE-2025-40181

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM and 4GiB, to be mapped as UC via a forc...

CVE-2025-40181

CVE-2025-40181 : In the Linux kernel x86/kvm, when running as an SNP/TDX guest, forcing the legacy PCI hole to UC by overriding MTRRs can cause ACPI-reported SystemMemory regions mapped as WB to conflict with device memory WC/UC requirements. This can lead to ioremap() failures for PCI devices (e...

CVE-2025-40181 x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM and 4GiB, to be mapped as UC via a forc...

kernel: i40e: fix MMIO write access to an invalid page in i40e_clear_hw

In the Linux kernel, the following vulnerability has been resolved: i40e: fix MMIO write access to an invalid page in i40eclearhw When the device sends a specific input, an integer underflow can occur, leading to MMIO write access to an invalid page. Prevent the integer underflow by changing the...

kernel: netfs: Fix early read unlock of page with EOF in middle

A race condition flaw was found in the Linux kernel's netfs subsystem. In the netfsreadunlockfolios function, a folio memory page may be unlocked prematurely before the ZERO subrequest completes clearing the tail portion of the page beyond the end-of-file. This allows an application using mmap to...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: isotp: fix potential CAN frame reception race in isotprcv CVE-2022-48830 kernel: soc: qcom: cmd-db: Map shared memory as WC, not WB CVE-2024-46689 kernel: Squashfs: sanity check...