The vulnerability of the KVM kernel component in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the KVM kernel component in the Linux operating system is related to pointer arithmetic errors. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

KVM: Explicitly verify target vCPU is online in kvm_get_vcpu()

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PT-2025-20537

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been identified, related to KVM Kernel-based Virtual Machine on x86 systems. The issue arises when the new GSI route prevents posting the IRQ...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev CVE-2022-49390 In the Linux kernel, the following vulnerability has been resolved: Squashfs: check the inode number is not the invalid value of zero CVE-2024-26982 In the Linux...

DEBIAN-CVE-2025-22013

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Unconditionally save+flush host FPSIMD/SVE/SME state There are several problems with the way hyp code lazily saves the host's FPSIMD/SVE state, including: Host SVE being discarded unexpectedly due to inconsistent...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: Squashfs: check the inode number is not the invalid value of zero CVE-2024-26982 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2reconnectserver CVE-2024-35870 In th...

The vulnerability of the KVM kernel component in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the kvmvcpuonspin function in the Linux kernel-based KVM component is related to read misses beyond the boundary. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2022-49154

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix panic on out-of-bounds guest IRQ As guestirq is coming from KVMIRQFD API call, it may trigger crash in svmupdatepiirte due to out-of-bounds: crash bt PID: 22218 TASK: ffff951a6ad74980 CPU: 73 COMMAND: "vcpu8" 0...

DEBIAN-CVE-2022-49562

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Use trycmpxchguser to update guest PTE A/D bits Use the recently introduced trycmpxchguser to update guest PTE A/D bits instead of mapping the PTE into kernel address space. The VMPFNMAP path is broken as it assumes tha...

PT-2025-10071

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A bug in the Linux kernel's KVM Kernel-based Virtual Machine implementation allows the guest's DR6 value to be clobbered when the guest modifies DR6 and then a fastpath VM-Exit occurs...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Do not retire an aborted MMIO instruction Returning an abort to the guest for an unsupported MMIO access is a documented feature of the KVM UAPI. However, it’s clear that this functionality has been tested limitedly, ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check whether the vCPU is not NULL in vgicv2parseattr. vgicv2parseattr is responsible for finding the vCPU that matches the user-provided CPUID. This CPUID may, of course, be invalid. If the ID is invalid,...

Security update for qemu

This update for qemu fixes the following issues: Update to version 8.2.5: target/loongarch: fix a wrong print in cpu dump ui/sdl2: Allow host to power down screen target/i386: fix SSE and SSE2 feature check target/i386: fix xsave.flat from kvm-unit-tests disas/riscv: Decode all of the pmpcfg and...

UBUNTU-CVE-2024-53228

In the Linux kernel, the following vulnerability has been resolved: riscv: kvm: Fix out-of-bounds array access In kvmriscvvcpusbiinit the entry-extidx can contain an out-of-bound index. This is used as a special marker for the base extensions, that cannot be disabled. However, when traversing the...

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 userspaceirqchipinuse in the KVM subsystem...

kernel: KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Ignore nCR34:0 when loading PDPTEs from memory Ignore nCR34:0 when loading PDPTEs from memory for nested SVM, as bits 4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn't enforce 32-byte alignment of...

OESA-2024-2522 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked When requesting an NMI window, WARN on vNMI support being enabled if and only if NMIs are actual...

AZL-54611 CVE-2024-53089 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Mark hrtimer to expire in hard interrupt context Like commit 2c0d278f3293f "KVM: LAPIC: Mark hrtimer to expire in hard interrupt context" and commit 9090825fa9974 "KVM: arm/arm64: Let the timer expire in hardirq...

AZL-54620 CVE-2024-53089 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Mark hrtimer to expire in hard interrupt context Like commit 2c0d278f3293f "KVM: LAPIC: Mark hrtimer to expire in hard interrupt context" and commit 9090825fa9974 "KVM: arm/arm64: Let the timer expire in hardirq...

SUSE CVE-2024-50115

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Ignore nCR34:0 when loading PDPTEs from memory Ignore nCR34:0 when loading PDPTEs from memory for nested SVM, as bits 4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn't enforce 32-byte alignment of...