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...

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...

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...

CVE-2026-45851: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: efi: Fix reservation of unaccepted memory table The reserveunaccepted function incorrectly calculates the size of the memblock reservation for the unaccepted memory table. It aligns the size of the table, but fails to account for...

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: Undefined Security Weakness

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-2026-43812

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...

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...

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...

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...

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...

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...

USN-8305-1: Linux kernel (Intel IoTG Real-time) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

Ubuntu 24.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-8296-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8296-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

HPESBHF05053 rev.1 - HPE Compute Scale-up Server 3200 Platform Using Certain Intel Processors, INTEL-SA-01413, UEFI Reference Firmware Advisory, Local Disclosure of Information Vulnerability

Potential Security Impact: Local: Disclosure of Information SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE Compute Scale-up Server 3200 - Prior to v1.70.74 CVSS Scores: | CVE | CVSS Vector | Base Score | | --- | --- | --- | | CVE-2025-35991 |...

OESA-2026-2460 microcode_ctl security update

This is a tool to transform and deploy microcode update for x86 CPUs. Security Fixes: Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some IntelR Processors within VMX non-root guest operation may allow an information...