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 improper setting or clearing of CR8 write interception when AVIC is activated. This vulnerability...

PT-2026-40690

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM SVM implementation where CR8 write interception remains enabled after AVIC Advanced Virtual Interrupt Controller is activated. This occurs because the...

CVE-2026-43351 KVM: arm64: Eagerly init vgic dist/redist on vgic creation

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Eagerly init vgic dist/redist on vgic creation If vgicallocateprivateirqslocked fails for any odd reason, we exit kvmvgiccreate early, leaving dist-rdregions uninitialised. kvmvgicdistdestroy then comes along and walk...

CVE-2026-43351

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Eagerly init vgic dist/redist on vgic creation If vgicallocateprivateirqslocked fails for any odd reason, we exit kvmvgiccreate early, leaving dist-rdregions uninitialised. kvmvgicdistdestroy then comes along and walk...

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 failure of vgicallocateprivateirqslocked in the KVM ARM64 virtual GIC, causing it to exit...

PT-2026-39012

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the KVM arm64 component, a failure in the vgic allocate private irqs locked function during vgic creation can lead to dist-rd regions remaining uninitialized. Consequently, when kvm...

Linux Distros Unpatched Vulnerability : CVE-2026-43351

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: Eagerly init vgic dist/redist on vgic creation If vgicallocateprivateirqslocked fails for any odd reason, we exit kvmvgiccreate early, leaving...

CVE-2026-29647

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling...

CVE-2026-29647

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling...

CVE-2026-29647

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling...

PT-2026-33840

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007565)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007565 advisory. In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Do not enable irqs when handling spurious interrups We triggered the following...

kernel: KVM: arm64: Tear down vGIC on failed vCPU creation

A use-after-free flaw was found in KVM for arm64 in the Linux Kernel, if the kvmarchvcpucreate fails to share the vCPU page with the hypervisor. This vulnerability could even lead to a kernel information leak problem...

CVE-2026-23287

In the Linux kernel, the following vulnerability has been resolved: irqchip/sifive-plic: Fix frozen interrupt due to affinity setting PLIC ignores interrupt completion message for disabled interrupt, explained by the specification: The PLIC signals it has completed executing an interrupt handler ...

Linux Distros Unpatched Vulnerability : CVE-2026-23287

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - irqchip/sifive-plic: Fix frozen interrupt due to affinity setting PLIC ignores interrupt completion message for disabled interrupt, explained by the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005753)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005753 advisory. In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v4: Don't allow a VMOVP on a dying VPE Kunkun Jiang reported that there is a small...

K000160227: Linux kernel vulnerability CVE-2025-37849

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Tear down vGIC on failed vCPU creation If kvmarchvcpucreate fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl but leave the vGIC vCPU data...

CVE-2026-23085

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Avoid truncating memory addresses On 32-bit machines with CONFIGARMLPAE, it is possible for lowmem allocations to be backed by addresses physical memory above the 32-bit address limit, as found while...

kernel: KVM: arm64: Tear down vGIC on failed vCPU creation

A use-after-free flaw was found in KVM for arm64 in the Linux Kernel, if the kvmarchvcpucreate fails to share the vCPU page with the hypervisor. This vulnerability could even lead to a kernel information leak problem...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Destroying vGIC structures during failed vCPU creation If the function kvmarchvcpucreate fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl, but leave the vGIC vCPU structures...