CVE-2026-93079: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: cxl/features: Reject Get Feature count larger than the output buffer cxlctlgetfeature sizes its output buffer from the user's fwctlrpc.outlen, but the device is told to write cxlmboxgetfeatin.count bytes into rpcout-payload, whic...

CVE-2026-93096: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: cxl/features: Serialize multi-part Get/Set Feature transfers A Get or Set Feature payload larger than the mailbox payload size is split into several mailbox commands. mboxmutex only serializes individual mailbox commands and is...

SUSE CVE-2026-89570

In the Linux kernel, the following vulnerability has been resolved: cxl/mce: Make the MCE notifier per-region Flavien Solt reported lifetime issues with the CXL MCE notifier, which can lead to NULL dereferences and use-after-free in the MCE handler. The notifier was registered per memory device a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvdimm: Fixed scenarios where firmware activation led to deadlocks. Lockdep reports the following deadlock scenarios for CXL root devices: - power-management, deviceprepare, operations, and deviceshutdown operations for...

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

In the Linux kernel, the following vulnerability has been resolved: Resource: Fix for regionintersects vs addmemorydrivermanaged On a system with CXL memory, the resource tree /proc/iomem related to CXL memory may look like this. 490000000-50fffffff: CXL Window 0 490000000-50fffffff: region0...

Astra Linux – Vulnerability in Linux 5.15, Linux

In the Linux kernel, the following vulnerability has been resolved: cxl: Fixed the refcount leak in cxlcalccapprouting. The ofgetnextparent function returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. This function only calls ofnodeput ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cxl: fixed a possible null-ptr-deref in cxlguestinitafu|adapter. If deviceregister fails in cxlregisterafu|adapter, the device is not added. In this case, deviceunregister cannot be called in the error path. Otherwise, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/pci: Fixed the issue where memory was disabled if the DVSEC CXL range did not match a CFMWS window. The Linux CXL subsystem is based on the assumption that HPA == SPA. That is, the host physical address HPA of the HDM decoder...

SUSE CVE-2026-89571

In the Linux kernel, the following vulnerability has been resolved: cxl/features: bound fwctl command payload to the input buffer fwctlcmdrpc copies cmd-inlen bytes into inbuf = kvzalloccmd-inlen and passes inbuf and inlen to -fwrpc. The CXL callback cxlctlfwrpc ignores inlen and never checks the...

SUSE CVE-2026-89589

In the Linux kernel, the following vulnerability has been resolved: acpi/apei/ghes: Use rawspinlockt for CXL CPER work locks The CXL CPER work registration and unregistration helpers acquire cxlcperworklock and cxlcperproterrworklock with a spinlock guard, which leaves local interrupts enabled. T...

SUSE CVE-2026-89731

In the Linux kernel, the following vulnerability has been resolved: cxl/ras: Fix cxlrchgetaerinfo out-of-bounds AER register read cxlrchgetaerinfo copies the RCH Downstream Port AER capability from the RCRB MMIO block using a readl loop bounded by sizeofstruct aercapabilityregs. This struct is a...

Linux Distros Unpatched Vulnerability : CVE-2026-89571

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cxl/features: bound fwctl command payload to the input buffer fwctlcmdrpc copies cmd-inlen bytes into inbuf = kvzalloccmd-inlen and passes inbuf and inlen to...

Linux Distros Unpatched Vulnerability : CVE-2026-89589

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - acpi/apei/ghes: Use rawspinlockt for CXL CPER work locks The CXL CPER work registration and unregistration helpers acquire cxlcperworklock and...

Linux Distros Unpatched Vulnerability : CVE-2026-89570

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cxl/mce: Make the MCE notifier per-region Flavien Solt reported lifetime issues with the CXL MCE notifier, which can lead to NULL dereferences and use-after-fre...

Linux Distros Unpatched Vulnerability : CVE-2026-89731

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cxl/ras: Fix cxlrchgetaerinfo out-of-bounds AER register read cxlrchgetaerinfo copies the RCH Downstream Port AER capability from the RCRB MMIO block using a...

CVE-2026-89570

A flaw was found in the Linux kernel's Compute Express Link CXL subsystem. Lifetime issues with the CXL Machine Check Exception MCE notifier can lead to NULL dereferences and use-after-free vulnerabilities in the MCE handler. This could allow an attacker to cause system instability or a denial of...

CVE-2026-89731

A flaw was found in the Linux kernel. A vulnerability exists in the cxlrchgetaerinfo function, which is responsible for handling CXL/RAS Compute Express Link/Reliability, Availability, and Serviceability AER Advanced Error Reporting capabilities. Due to a mismatch between a software structure and...

CVE-2026-89589

A flaw was found in the ACPI/APEI/GHES component of the Linux kernel. Incorrect usage of spinlocks in the CXL CPER work registration and unregistration helpers can lead to a deadlock. If a CPU holds a lock while a GHES interrupt arrives on the same CPU, the interrupt handler will spin on the held...

CVE-2026-89571

A flaw was found in the Linux kernel's CXL Compute Express Link features. A local attacker could exploit an out-of-bounds read vulnerability in the fwctlcmdrpc and cxlctlsetfeature functions. This occurs when the system attempts to copy data with a small input buffer length but processes a larger...

CVE-2026-89731

In the Linux kernel, the following vulnerability has been resolved: cxl/ras: Fix cxlrchgetaerinfo out-of-bounds AER register read cxlrchgetaerinfo copies the RCH Downstream Port AER capability from the RCRB MMIO block using a readl loop bounded by sizeofstruct aercapabilityregs. This struct is a...