CVE-2026-64372

Summary: CVE-2026-64372 affects the Linux kernel cpufreq/pcc OSC evaluation path. The defect arises in pcc_cpufreq_do_osc(), which calls acpi_evaluate_object() twice for the two‑phase _OSC negotiation. Between the calls, output.pointer is freed while output.length remains, causing the second call...

SUSE CVE-2026-64227

In the Linux kernel, the following vulnerability has been resolved: ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, platform drivers that rely on...

PT-2026-64733

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.10-201.fc44.aarch64 Description An issue exists in the ACPI CPPC component where the definition of reg-access width varies based on the reg-space id type. When the type is ACPI ADR SPACE PLATFORM COMM, access...

CVE-2026-64510: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ACPI: NFIT: core: Fix acpinfitinit error cleanup If acpinfitinit fails after adding the acpidesc object to the acpidescs list, that object is never removed from that list because the acpinfitshutdown devm action is not added for...

PT-2026-64732

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference can occur in the ACPI NFIT core. The acpi nfit probe function installs an ACPI notify handler for the NFIT device before verifying the presence of the NFIT...

CVE-2026-64512: Undefined Security Weakness

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...

Linux Distros Unpatched Vulnerability : CVE-2026-64512

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ACPI: CPPC: Suppress UBSAN warning caused by field misuse The definition of reg-accesswidth changes depending on the reg-spaceid type. Type...

Linux Distros Unpatched Vulnerability : CVE-2026-64372

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cpufreq: pcc: fix use-after-free and double free in OSC evaluation pcccpufreqdoosc calls acpievaluateobject twice for the two-phase OSC negotiation. Between the...

Linux Distros Unpatched Vulnerability : CVE-2026-64227

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device ID...

CVE-2026-64511: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ACPI: NFIT: core: Fix possible NULL pointer dereference After commit 9b311b7313d6 "ACPI: NFIT: Install Notify handler before getting NFIT table", acpinfitprobe installs an ACPI notify handler for the NFIT device before checking t...

PT-2026-64731

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ACPI NFIT core where improper error cleanup in the acpi nfit init function can lead to a use-after-free condition. If acpi nfit init fails after adding an acpi des...

PT-2026-64593

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free and double free issue exists in the pcc cpufreq do osc function during the two-phase OSC negotiation. The function calls acpi evaluate object twice; however, after the...

Linux Distros Unpatched Vulnerability : CVE-2026-64511

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ACPI: NFIT: core: Fix possible NULL pointer dereference After commit 9b311b7313d6 ACPI: NFIT: Install Notify handler before getting NFIT table, acpinfitprobe...

DEBIAN-CVE-2026-64227

In the Linux kernel, the following vulnerability has been resolved: ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, platform drivers that rely on...

CVE-2026-64227

In the Linux kernel, the following vulnerability has been resolved: ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, platform drivers that rely on...

CVE-2026-64227 ACPI: driver: Check ACPI_COMPANION() against NULL during probe

In the Linux kernel, the following vulnerability has been resolved: ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, platform drivers that rely on...

EUVD-2026-48635

In the Linux kernel, the following vulnerability has been resolved: ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, platform drivers that rely on...

CVE-2026-64227

In the Linux kernel, the following vulnerability has been resolved: ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, platform drivers that rely on...

CVE-2026-64227 ACPI: driver: Check ACPI_COMPANION() against NULL during probe

In the Linux kernel, the following vulnerability has been resolved: ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, platform drivers that rely on...

USN-8575-3: Linux kernel vulnerabilities

Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose...