Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from KVM/SVM failing to properly save and restore the LBR MSR, resulting in the restoration function...

Astra Linux - уязвимость в xen

x86: TSX Async Abort protections are not restored after S3. This issue relates to the TSX Async Abort speculative security vulnerability. For more details, please refer to https://xenbits.xen.org/xsa/advisory-305.html. To mitigate TAA by disabling TSX the default and preferred option, it is...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in the guest XSAVE state whenever XFDi=1 When loading the guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear the XFD-disabled features in the saved or to be...

Astra Linux - уязвимость в amd64-microcode

Improper validation in a model specific register MSR could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution...

EUVD-2026-20111

An exposed IOCTL with an insufficient access control vulnerability has been identified in the utility, MxGeneralIo, for Moxa’s industrial x86 computers. The affected utility, MxGeneralIo, exposes IOCTL methods that permit direct read and write access to MSR and system memory. A local attacker wit...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000996)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000996 advisory. The WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not properly handle the writing of a non-canonical address to a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002817)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002817 advisory. arch/x86/kvm/vmx.c in the Linux kernel through 4.6.3 mishandles the APICv on/off state, which allows guest OS users to obtain direct APIC MSR access on the host OS,...

CVE-2023-53756

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

CVE-2025-48502

Improper input validation within AMD uprof can allow a local attacker to overwrite MSR registers, potentially resulting in crash or denial of service...

CVE-2025-48502

CVE-2025-48502 concerns the AMD μProf tool. Public documentation in multiple connected sources confirms an underlying issue of improper input validation within μProf, which can allow a local attacker to overwrite MSR registers. This action could lead to a crash or denial of service. The vulnerabi...

AMD μProf 安全漏洞

AMD μProf is a software analysis tool from Ultra Micro Semiconductor AMD. A security vulnerability exists in AMD μProf that stems from improper input validation, which could lead to an MSR register overwrite, which could result in a crash or denial of service...

UBUNTU-CVE-2025-40122

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

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 an MSR access error that could result in a register write failure...

EUVD-2019-16784

Malware in sbrugna...

EUVD-2023-59807

Malicious code in bioql PyPI...

EUVD-2023-35626

Malicious code in bioql PyPI...

CVE-2023-53169

In the Linux kernel, the following vulnerability has been resolved: x86/resctrl: Clear stagedconfig before and after it is used As a temporary storage, stagedconfig in rdtdomain should be cleared before and after it is used. The stale value in stagedconfig could cause an MSR access error. Here is...

UBUNTU-CVE-2023-53169

In the Linux kernel, the following vulnerability has been resolved: x86/resctrl: Clear stagedconfig before and after it is used As a temporary storage, stagedconfig in rdtdomain should be cleared before and after it is used. The stale value in stagedconfig could cause an MSR access error. Here is...

CVE-2023-53169

CVE-2023-53169 concerns the Linux kernel resctrl path (x86/resctrl) where the rdt_domain’s staged_config[] was not cleared before/after use, allowing stale values to cause an MSR access error (WRMSR to 0xca0) when creating resource groups under CDP. The report describes resctrl_arch_update_domain...

Linux Distros Unpatched Vulnerability : CVE-2021-46977

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Disable preemption when probing user return MSRs Disable preemption when probing a...