Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of CPU cache flushing before writing PASID table addresses to the PASID directory entries. Thi...

CVE-2026-43220

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: serialize sequence allocation under concurrent TLB invalidations With concurrent TLB invalidations, completion wait randomly gets timed out because cmdsemval was incremented outside the IOMMU spinlock, allowing...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006664)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006664 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: avoid invalid memory access via nodeonlineNUMANONODE KASAN reports: 4.668325 T0 BUG:...

CVE-2026-23361

A flaw was found in the Linux kernel. A race condition exists in the handling of Message Signaled Interrupts eXtended MSI-X within the PCI subsystem. When an MSI-X interrupt is raised, a PCI posted write transaction may not complete before its associated Address Translation Unit ATU entry is...

CVE-2023-31364

Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine VM to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service...

CVE-2025-48509

Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a loss of guest memory integrity...

SUSE-SU-2026:0495-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit bsc1255594. - CVE-2025-38129: pagepool: fix inconsistency for pagepoolringlock...

CVE-2025-48509

Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a loss of guest memory integrity...

CVE-2025-48509

Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a loss of guest memory integrity...

CVE-2025-48509

Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a loss of guest memory integrity...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: genirq/msi: The IOMMU IOVA is now stored directly in the msidesc, rather than in the iommucookie. The process of translating MSI message addresses using IOMMU involved two steps, separated in time: 1 iommudmapreparemsi: A pointer...

UBUNTU-CVE-2025-71114

In the Linux kernel, the following vulnerability has been resolved: viawdt: fix critical boot hang due to unnamed resource allocation The VIA watchdog driver uses allocateresource to reserve a MMIO region for the watchdog control register. However, the allocated resource was not given a name, whi...

CVE-2025-39794

CVE-2025-39794 affects the Linux kernel on ARM Tegra platforms. The root cause is an incorrect use of memcpy when writing to IRAM, causing Kasan to crash due to boundary checks failing under normal memcpy. The vulnerability is local with a high impact on availability, and the description notes th...

Linux Distros Unpatched Vulnerability : CVE-2022-26358

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities...

Linux Distros Unpatched Vulnerability : CVE-2022-26361

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities...

PT-2025-30832

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to framebuffer relocation behind PCI bridges. The issue arises because framebuffer memory ranges in screen info are not updated when PCI host...

The vulnerability of the iommufdHWPT_nested_alloc() function in the Linux operating system’s IOMMU kernel driver allows a hacker to cause a service failure.

The vulnerability of the iommufdHWPTnestedalloc function in the Linux operating system’s IOMMU support driver is related to pointer aliasing. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2022-39854

Improper protection in IOMMU prior to SMR Oct-2022 Release 1 allows unauthorized access to secure memory...

UBUNTU-CVE-2025-37748

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Fix NULL pointer deference in mtkiommudevicegroup Currently, mtkiommu calls during probe iommudeviceregister before the hwlist from driver data is initialized. Since iommu probing issue fix, it leads to NULL point...

PT-2025-25836

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns a vulnerability in the Linux kernel related to the use of IOMMU Input-Output Memory Management Unit translation for MSI Message Signaled Interrupts message addresses...