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 cleanup when platform interrupt requests fail, potentially leading to memory leaks...

OESA-2026-1304 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ptrring: do not block hard interrupts in ptrringresizemultiple Jakub added a lockdepassertnohardirq check in pagepoolputpage to increase test coverage. syzbot...

CVE-2026-23100

The CVE-2026-23100 entry concerns the Linux kernel mm/hugetlb code and a fix for hugetlb_pmd_shared(). The vulnerability stemmed from how shared PMD tables were detected; the patch set switches to using an independent shared count and the ptdesc_pmd_is_shared() check, so that shared PMD tables ar...

CVE-2026-20977

CVE-2026-20977 concerns an improper access control in Samsung’s Emergency Sharing prior to the SMR Feb-2026 Release 1. Multiple sources (NVD, Red Hat, NCSC, CVE listings, Attackerkb, CVE list) consistently describe that local attackers can interrupt the service’s functioning due to weak access ma...

CVE-2025-71180

In the Linux kernel, the following vulnerability has been resolved: counter: interrupt-cnt: Drop IRQFNOTHREAD flag An IRQ handler can either be IRQFNOTHREAD or acquire spinlockt, as CONFIGPROVERAWLOCKNESTING warns: ============================= BUG: Invalid wait context 6.18.0-rc1+git... 1...

CVE-2025-71156

In the Linux kernel, the following vulnerability has been resolved: gve: defer interrupt enabling until NAPI registration Currently, interrupts are automatically enabled immediately upon request. This allows interrupt to fire before the associated NAPI context is fully initialized and cause...

Linux Kernel Security Vulnerabilities

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 the activation of interrupts before the NAPI context is initialized, potentially leading to kerne...

Azure Linux 3.0 Security Update: kernel (CVE-2024-41096)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-41096 advisory. - In the Linux kernel, the following vulnerability has been resolved: PCI/MSI: Fix UAF in msicapabilityinit...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56760)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56760 advisory. - In the Linux kernel, the following vulnerability has been resolved: PCI/MSI: Handle lack of irqdomain...

Azure Linux 3.0 Security Update: kernel (CVE-2025-23161)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-23161 advisory. - In the Linux kernel, the following vulnerability has been resolved: PCI: vmd: Make vmddev::cfglock a...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37885)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37885 advisory. - In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Reset IRTE to host control if...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000834)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000834 advisory. The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to generate ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000958)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000958 advisory. arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform mishandles IRET faults in processing NMIs that occurred during userspace execution,...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000804)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000804 advisory. Buffer overflow in virt/kvm/irqcomm.c in the KVM subsystem in the Linux kernel before 3.2.24 allows local users to cause a denial of service crash and possibly execu...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001901)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001901 advisory. arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform improperly relies on espfix64 during nested NMI processing, which allows local users ...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001776)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001776 advisory. Buffer overflow in virt/kvm/irqcomm.c in the KVM subsystem in the Linux kernel before 3.2.24 allows local users to cause a denial of service crash and possibly execu...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002978)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002978 advisory. A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested=1 virtualization is enabled. In...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003045)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003045 advisory. A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested=1 virtualization is enabled. In...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001799)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001799 advisory. arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform mishandles IRET faults in processing NMIs that occurred during userspace execution,...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002195)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002195 advisory. Buffer overflow in virt/kvm/irqcomm.c in the KVM subsystem in the Linux kernel before 3.2.24 allows local users to cause a denial of service crash and possibly execu...