CVE-2026-45945 iommu/vt-d: Fix race condition during PASID entry replacement

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix race condition during PASID entry replacement The Intel VT-d PASID table entry is 512 bits 64 bytes. When replacing an active PASID entry e.g., during domain replacement, the current implementation calculates a ne...

CVE-2026-45896

In the Linux kernel, the following vulnerability has been resolved: mtd: intel-dg: Fix accessing regions before setting nregions The regions array is counted by nregions, but it's set only after accessing it: UBSAN: array-index-out-of-bounds in drivers/mtd/devices/mtdinteldg.c:750:15 index 0 is o...

CVE-2026-45896

CVE-2026-45896 affects the Linux kernel driver mtd_intel_dg. The bug occurs when the regions array is indexed before its size (nregions) is set, causing a UBSAN array-index-out-of-bounds in drivers/mtd/devices/mtd_intel_dg.c:750:15. The issue is triggered by accessing regions before nregions is e...

CVE-2026-45896 mtd: intel-dg: Fix accessing regions before setting nregions

In the Linux kernel, the following vulnerability has been resolved: mtd: intel-dg: Fix accessing regions before setting nregions The regions array is counted by nregions, but it's set only after accessing it: UBSAN: array-index-out-of-bounds in drivers/mtd/devices/mtdinteldg.c:750:15 index 0 is o...

CVE-2026-45877

CVE-2026-45877 concerns the Linux kernel HID driver for Intel ISH. The issue is a NULL-pointer dereference in ishtp_bus_remove_all_clients during a warm reset when cl->device may be NULL while clients are enumerated, leading to a kernel panic. Multiple sources (NVD, Red Hat, SUSE, Debian/OSV, ...

CVE-2026-45877 HID: intel-ish-hid: fix NULL-ptr-deref in ishtp_bus_remove_all_clients

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: fix NULL-ptr-deref in ishtpbusremoveallclients During a warm reset flow, the cl-device pointer may be NULL if the reset occurs while clients are still being enumerated. Accessing cl-device-referencecount witho...

CVE-2026-45877 HID: intel-ish-hid: fix NULL-ptr-deref in ishtp_bus_remove_all_clients

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: fix NULL-ptr-deref in ishtpbusremoveallclients During a warm reset flow, the cl-device pointer may be NULL if the reset occurs while clients are still being enumerated. Accessing cl-device-referencecount witho...

PT-2026-43763

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An array-index-out-of-bounds issue exists in the mtd intel dg.c file. The regions array is accessed before the nregions variable is set, which determines the array count. Additionally, t...

PT-2026-43811

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the iommu/vt-d component where tearing down a context entry involves zeroing a 128-bit entry using multiple 64-bit writes. This process can create a window where...

CVE-2026-45877

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: fix NULL-ptr-deref in ishtpbusremoveallclients During a warm reset flow, the cl-device pointer may be NULL if the reset occurs while clients are still being enumerated. Accessing cl-device-referencecount witho...

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 the Intel VT-d driver failing to clear the Present bit before deleting PASID table entries. This...

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 ishtpbusremoveallclients function in the intel-ish-hid driver. This function does not perform a nul...

PT-2026-43744

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the ishtp bus remove all clients function during a warm reset flow. If a reset happens while clients are still being enumerated, the cl-device pointe...

Linux Distros Unpatched Vulnerability : CVE-2026-45877

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HID: intel-ish-hid: fix NULL-ptr-deref in ishtpbusremoveallclients During a warm reset flow, the cl-device pointer may be NULL if the reset occurs while clients...

PT-2026-43812

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Intel VT-d PASID table entry replacement process. The PASID table entry is 512 bits, and the implementation copies a new entry to the table using a single...

CVE-2026-45896

In the Linux kernel, the following vulnerability has been resolved: mtd: intel-dg: Fix accessing regions before setting nregions The regions array is counted by nregions, but it's set only after accessing it: UBSAN: array-index-out-of-bounds in drivers/mtd/devices/mtdinteldg.c:750:15 index 0 is o...

Fedora 43 : linux-firmware (2026-16c8693020)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-16c8693020 advisory. Update to 20260519: ASoC: tas2783: Add Firmware files for tas2783A projects add firmware for MT7927 WiFi device Add HP ISH firmware for Intel Panther Lake...

PT-2026-43761

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Intel VT-d Scalable Mode PASID table entry handling. The current implementation zeros the entire 64-byte structure immediately using multiple 64-bit writes when...

PT-2026-43718

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The reserve unaccepted function incorrectly calculates the size of the memblock reservation for the unaccepted memory table. It aligns the table size but fails to account for instances...

CVE-2026-45894

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down PASID entry The Intel VT-d Scalable Mode PASID table entry consists of 512 bits 64 bytes. When tearing down an entry, the current implementation zeros the entire 64-byte structure...