Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf: hisi: Fixed a use-after-free when registering the uncore PMU. When we fail to register the uncore PMU, the PMU context may not be allocated. Handling this error will call cpuhpstateremoveinstance, which calls the uncore PMU...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in snruncoremmiomap. pcigetdevice increases the reference count of the returned pcidev. Therefore, snruncoregetmcdev will return a pcidev with its reference count increased...

The vulnerability of the snr_uncore_mmio_map() function in the arch/x86/events/intel/uncore_snbep.c module of the Linux operating system’s kernel on the x86 platform allows a hacker to cause a service failure.

The vulnerability of the snruncoremmiomap function in the arch/x86/events/intel/uncoresnbep.c module of the Linux operating system’s kernel on x86 platforms is related to errors during link time. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf/x86/intel/uncore: Fixed the issue where dieid was initialized and bugs were looked up. In snbeppci2phymapinit, in the case where nrnodeids 8, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf/x86/amd/uncore: Fixed a memory leak related to the events array. When a CPU comes online, the per-CPU NB and LLC uncore contexts are freed, but the events array within the context structure is not freed. This causes a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Skipping the discovery table for offline dies This warning can be triggered if NUMA is disabled and the system boots with fewer CPUs than the number of CPUs in die 0. WARNING: CPU: 9 PID: 7257 at...

SUSE CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43344

A flaw was found in the Linux kernel's performance monitoring unit perf/x86/intel/uncore subsystem. This vulnerability arises from incorrect die ID initialization and lookup, particularly when certain CPUs are offline or when Non-Uniform Memory Access NUMA is disabled. As a consequence, performan...

EUVD-2026-28628

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

AZL-86163 CVE-2026-43344 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

UBUNTU-CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43344 perf/x86/intel/uncore: Fix die ID init and look up bugs

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43344 perf/x86/intel/uncore: Fix die ID init and look up bugs

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43344

CVE-2026-43344 affects the Linux kernel perf/x86/intel/uncore subsystem. The root cause is incorrect die ID initialization/lookup in snbep_pci2phy_map_init() that can produce die_id == -1 when CPUs are offline or when NUMA is disabled, causing uncore_device_to_die() to misbehave and PMON units to...

CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

Linux Distros Unpatched Vulnerability : CVE-2026-43344

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associate...

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 are security vulnerabilities in the Linux kernel. These vulnerabilities arise from errors in the snbeppci2phymapinit function during Intel uncore performance...