Linux Distros Unpatched Vulnerability : CVE-2026-90364

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ACPI: processor: Unregister cpufreq notifier on init failure acpiprocessordriverinit registers the cpufreq policy notifier before registering the ACPI processor...

CVE-2026-92522

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: validate MADT IOAPIC entry bounds The IOAPIC hotplug lookup parses both MADT and MAT records directly. The MADT walk previously used a subtable's declared length to advance the cursor after only locating a generi...

DEBIAN-CVE-2026-92522

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: validate MADT IOAPIC entry bounds The IOAPIC hotplug lookup parses both MADT and MAT records directly. The MADT walk previously used a subtable's declared length to advance the cursor after only locating a generi...

AZL-101924 CVE-2026-92522 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: validate MADT IOAPIC entry bounds The IOAPIC hotplug lookup parses both MADT and MAT records directly. The MADT walk previously used a subtable's declared length to advance the cursor after only locating a generi...

AZL-102984 CVE-2026-90364 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Unregister cpufreq notifier on init failure acpiprocessordriverinit registers the cpufreq policy notifier before registering the ACPI processor driver and setting up CPU hotplug state. If driverregister or...

DEBIAN-CVE-2026-90364

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Unregister cpufreq notifier on init failure acpiprocessordriverinit registers the cpufreq policy notifier before registering the ACPI processor driver and setting up CPU hotplug state. If driverregister or...

CVE-2026-90364

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Unregister cpufreq notifier on init failure acpiprocessordriverinit registers the cpufreq policy notifier before registering the ACPI processor driver and setting up CPU hotplug state. If driverregister or...

CVE-2026-92522 ACPI: processor: validate MADT IOAPIC entry bounds

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: validate MADT IOAPIC entry bounds The IOAPIC hotplug lookup parses both MADT and MAT records directly. The MADT walk previously used a subtable's declared length to advance the cursor after only locating a generi...

EUVD-2026-82143

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: validate MADT IOAPIC entry bounds The IOAPIC hotplug lookup parses both MADT and MAT records directly. The MADT walk previously used a subtable's declared length to advance the cursor after only locating a generi...

CVE-2026-92522

CVE-2026-92522 is a Linux kernel vulnerability in the ACPI processor module's IOAPIC hotplug lookup. The root cause is insufficient bounds validation when parsing MADT and _MAT records: the MADT walk advanced the cursor using a subtable's declared length after only locating a generic header, and ...

CVE-2026-90364

CVE-2026-90364 affects the Linux kernel ACPI processor driver. In acpi_processor_driver_init(), the cpufreq policy notifier is registered before the ACPI processor driver and CPU hotplug state are set up. If driver_register() or cpuhp_setup_state() fails, the error path unregisters the ACPI proce...

CVE-2026-90364 ACPI: processor: Unregister cpufreq notifier on init failure

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Unregister cpufreq notifier on init failure acpiprocessordriverinit registers the cpufreq policy notifier before registering the ACPI processor driver and setting up CPU hotplug state. If driverregister or...

EUVD-2026-82025

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Unregister cpufreq notifier on init failure acpiprocessordriverinit registers the cpufreq policy notifier before registering the ACPI processor driver and setting up CPU hotplug state. If driverregister or...

CVE-2026-90364 ACPI: processor: Unregister cpufreq notifier on init failure

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Unregister cpufreq notifier on init failure acpiprocessordriverinit registers the cpufreq policy notifier before registering the ACPI processor driver and setting up CPU hotplug state. If driverregister or...

PT-2026-94712

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the acpi processor driver init function where the cpufreq policy notifier is registered before the ACPI processor driver and CPU hotplug state are established. If driv...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: A memory leak was fixed in acpiprocessorpowerexit. After unregistering the CPU idle device, the memory associated with it wasn’t freed, resulting in a memory leak: unreferenced object 0xffff896282f6c000 size...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107270)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107270 advisory. In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpifetchacpidev return value The return value of acpifetchacpidev...

CVE-2026-80611

A flaw was found in the Linux kernel's Advanced Configuration and Power Interface ACPI processor idle functionality. When kernel tracing features, such as function tracing or Kprobes, are enabled, entering a Low Power Idle LPI state can trigger a Read-Copy Update RCU warning. This occurs because...

The vulnerability of the acpi_processor_errata_piix4() function in the drivers/acpi/acpi_processor.c driver of the ACPI driver module for the Linux kernel allows a attacker to cause a system failure.

The vulnerability of the acpiprocessorerratapiix4 function in the drivers/acpi/acpiprocessor.c file of the ACPI driver for the Linux kernel is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a system failure...

EUVD-2026-48856

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Suppress UBSAN warning caused by field misuse The definition of reg-accesswidth changes depending on the reg-spaceid type. Type ACPIADRSPACEPLATFORMCOMM uses accesswidth to indicate the PCC region, which can result in...