Linux Distros Unpatched Vulnerability : CVE-2026-89777

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstru...

CVE-2026-89777

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

DEBIAN-CVE-2026-89777

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

AZL-101571 CVE-2026-89777 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

CVE-2026-89777

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

UBUNTU-CVE-2026-89777

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

EUVD-2026-80298

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

CVE-2026-89777 vfio/pci: clear vdev->msi_perm after freeing it on init failure

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

CVE-2026-89777

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

CVE-2026-89777

A use-after-free vulnerability in the Linux kernel's VFIO/PCI subsystem (drivers/vfio/pci/vfio_pci_config.c) occurs when vdev->msi_perm is freed via kfree() on an init failure path but not NULLed , leaving a dangling pointer that persists across device open/close cycles. On the next vfio_confi...

CVE-2026-89777 vfio/pci: clear vdev->msi_perm after freeing it on init failure

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Created a persistent INTx handler. There exists a vulnerability where the eventfd for INTx signaling can be deconfigured. This causes the IRQ handler to be unregistered, but it still allows eventfds to be signaled with ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: fixed a potential memory leak in vfiointxenable If vfioirqctxalloc fails, it will lead to a ‘name’ memory leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: fixed a memory leak during the transition from D3hot to D0 If the variable ‘vfiopcicoredevice::needspmrestore’ is set i.e., the PCI device does not have the NoSoftReset bit set in its PMCSR configuration register, then...

kernel: vfio/pci: Check BAR resources before exporting a DMABUF

A flaw was found in the Linux kernel's vfio/pci subsystem. This vulnerability occurs because the Direct Memory Access Buffer DMABUF export mechanism does not adequately verify if Base Address Register BAR resources are properly reserved before allowing access. A local attacker could exploit this ...

kernel: vfio/pci: Clean up DMABUFs before disabling function

A flaw was found in the Linux kernel's vfio/pci subsystem. During device shutdown, an improper order of operations in cleaning up Direct Memory Access Buffers DMABUFs before disabling the function creates a brief window. In this window, a device's Base Address Registers BARs could still be access...

ALSA-2026:65334 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation CVE-2026-43133 kernel: Bluetooth: SMP: force responder MITM requirements before building the pairing response CVE-2026-43334 kernel...

The vulnerability of the vfiopci_core_close_device() function in the drivers/vfio/pci/vfiopci_core.c module of the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the vfiopcicoreclosedevice function in the drivers/vfio/pci/vfiopcicore.c module of the Linux kernel is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and...

SUSE CVE-2026-72283

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Nullify irqfd-producer if updating IRTE for bypass fails Nullify irqfd-producer if updating the IRTE for bypass fails, as leaving a dangling pointer will result in a use-after-free if the irqfd is reachable through KVM'...

The vulnerability of the xe_vfiopciReleaseDev() function in the drivers/vfio/pci/xe/main.c module of the VFIO device driver in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the xevfiopciReleaseDev function in the drivers/vfio/pci/xe/main.c module of the VFIO device driver in the Linux operating system is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow an attacker to cause a servic...