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 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

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...

VAPT-Report-on-SMB-Exploitation-in-Windows-10-Finance-Endpoint

Informe de VAPT sobre Explotación de SMB en un Endpoint Financiero con Windows 10 Este informe describe un compromiso estructurado de VAPT centrado en el cumplimiento de PCI DSS, la enumeración del servicio SMB y la explotación de CVE-2017-0144 EternalBlue en una máquina Windows 10 dentro de una...

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: PCI: Endpoint: pci-epf-test: Add a NULL check for DMA channels before releasing them. The fields dmachantx and dmachanrx of the struct pciepftest can be NULL even after EPF initialization. Therefore, it is prudent to check that...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: The EEPROM and OTP sizes for PCI1xxxx devices have been modified. The maximum OTP and EEPROM sizes for PCI1xxxx devices are 8 Kb and 64 Kb respectively. The maximum size definitions have been adjusted, and the corre...

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: ena: Fixed error handling in enainit The enainit function no longer destroys the workqueue created by createsinglethreadworkqueue when pciregisterdriver fails. Calling destroyworkqueue when pciregisterdriver fails prevents...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint – Avoid creating sub-groups asynchronously Asynchronous creation of sub-groups by a delayed operation could lead to a NULL pointer dereference when the driver directory is removed before the operation completes. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: ensure we’re polling a polled queue. A user can change the number of polled queues at runtime. There is a short window during a reset when a hipri task may try to poll that queue before the block layer has updated the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Keystone: Fixed a NULL pointer dereferencing issue in case of a DT error in kspciesetuprcapp regs. If IORESOURCEMEM is not provided in the Device Tree due to any error, resourcelistfirsttype will return NULL, and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: A possible resource leak was fixed in icomprobe. When pcireadconfigdword failed, calls to pcireleaseregions and pcidisabledevice were made to reallocate the previously allocated resources...

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: Properly hiding the first-in-list PCIe extended capabilities There are cases where a PCIe extended capability should be hidden from the user. For example, an unknown capability i.e., a capability with an ID greater than...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: hns3: The function devmaddactionorreset is actually used. The function pciallocirqvectors allocates an interrupt vector. When devmaddaction fails, the interrupt vector is not freed, resulting in a memory leak...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerabilities have been resolved: wifi: iwlwifi: pcie: fixed a possible NULL pointer dereference issue It is possible that iwlpciprobe may fail and free the trans structure. After that, iwlpciRemove may be called, but it will crash when trying to access a tran...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: s390 – Fixed a use-after-free of PCI resources when per-function hot-plugging occurs. On the s390 architecture, PCI functions may be hot-plugged individually, even when they belong to a multi-functional device. Specifically,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd: check num of link levels when update pcie param In the SR-IOV environment, the value of pcietable-numoflinklevels will be 0, and numoflevels - 1 will cause an array index out of bounds...

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: igb: A potential invalid memory access issue has been fixed in igbinitmodule. The pciregisterdriver function may fail. When this occurs, the dcanotifier needs to be unregistered. Otherwise, the dcanotifier can be called when igb...

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

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint – Fix for handling the configfs group list head The use of listdel on the epfgroup field of struct pciepfdriver in pciepfremovecfs is incorrect. This field is a list head, not a list entry. This listdel call trigger...