CVE-2026-68093

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Bump asidgeneration on CPU online to avoid ASID collision after hotplug If a vCPU stays scheduled out or blocked while the last pCPU it ran on goes through a hotplug cycle online-offline-online, and the vCPU then resume...

UBUNTU-CVE-2026-64373

In the Linux kernel, the following vulnerability has been resolved: cpufreq: Fix hotplug-suspend race during reboot During system reboot, cpufreqsuspend is called via the kernelrestart - deviceshutdown path. Unlike the normal system suspend path, the reboot path does not call freezeprocesses, so...

CVE-2026-64373 cpufreq: Fix hotplug-suspend race during reboot

In the Linux kernel, the following vulnerability has been resolved: cpufreq: Fix hotplug-suspend race during reboot During system reboot, cpufreqsuspend is called via the kernelrestart - deviceshutdown path. Unlike the normal system suspend path, the reboot path does not call freezeprocesses, so...

CVE-2026-64373

The issue CVE-2026-64373 affects the Linux kernel cpufreq subsystem. During system reboot, cpufreq_suspend() is invoked via kernel_restart() where freeze_processes() is not called, allowing CPU hotplug to run concurrently and potentially free governor_data while cpufreq_suspend() accesses it. Thi...

PT-2026-64594

In the Linux kernel, the following vulnerability has been resolved: cpufreq: Fix hotplug-suspend race during reboot During system reboot, cpufreq suspend is called via the kernel restart - device shutdown path. Unlike the normal system suspend path, the reboot path does not call freeze processes,...

CVE-2026-31480 tracing: Fix potential deadlock in cpu hotplug with osnoise

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix potential deadlock in cpu hotplug with osnoise The following sequence may leads deadlock in cpu hotplug: task1 task2 task3 ----- ----- ----- mutexlock&interfacelock CPU GOING OFFLINE cpuswritelock; osnoisecpudie;...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-011048)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011048 advisory. In the Linux kernel, the following vulnerability has been resolved: perf: hisi: Fix use-after-free when register pmu fails When we fail to register the uncore pmu, t...

SUSE-SU-2026:20376-1 Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-24.1 fixes various security issues The following security issues were fixed: - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in liotargetnaclinfoshow bsc1251787. - CVE-2024-57849: s390/cpumsf: handle CPU hotplug remove during...

CVE-2025-71142

In the Linux kernel, the following vulnerability has been resolved: cpuset: fix warning when disabling remote partition A warning was triggered as follows: WARNING: kernel/cgroup/cpuset.c:1651 at remotepartitiondisable+0xf7/0x110 RIP: 0010:remotepartitiondisable+0xf7/0x110 RSP:...

EUVD-2022-55724

In the Linux kernel, the following vulnerability has been resolved: drivers: perf: marvellcn10k: Fix hotplug callback leak in tadpmuinit tadpmuinit won't remove the callback added by cpuhpsetupstatemulti when platformdriverregister failed. Remove the callback by cpuhpremovemultistate in fail path...

OESA-2025-2775 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: mm: zswap: properly synchronize freeing resources during CPU hotunplug In zswapcompress and zswapdecompress, the per-CPU acompctx of the current CPU at the...

kernel: mm: zswap: properly synchronize freeing resources during CPU hotunplug

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: properly synchronize freeing resources during CPU hotunplug In zswapcompress and zswapdecompress, the per-CPU acompctx of the current CPU at the beginning of the operation is retrieved and used throughout. However, sin...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990288)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990288 advisory. In the Linux kernel, the following vulnerability has been resolved: s390/cpumsf: Handle CPU hotplug remove during sampling CPU hotplug remove handling triggers the...

The vulnerability of CPU/hotplug components in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the CPU/hotplug components in the Linux operating system is related to improper error handling in the cpudownmapslocked function. Exploiting this vulnerability can allow an attacker to cause a service failure...

PT-2025-37621

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw related to the Coresight TRBE Trace Recording and Broadcast Engine component. Specifically, the cpuhp state add instance and cpuhp state remove instanc...

Linux Distros Unpatched Vulnerability : CVE-2024-41149

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: block: avoid to reuse hctx not removed from cpuhp callback list If the 'hctx' isn't removed...

Linux Distros Unpatched Vulnerability : CVE-2021-47553

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: sched/scs: Reset task stack state in bringupcpu To hot unplug a CPU, the idle task on that C...

kernel: x86/hyperv: fix kexec crash due to VP assist page corruption

in cpuhpsetupstate a requisite condition of "hypervinitcpuhp 0" for the hyperv case will never be true, and then hvcpudie won't be called on all CPUs and the VP assist page will not be reset. This leads to corruption of the previous VP assist page and ultimately panic if the kexec kernel is using...

cacheinfo: Allocate memory during CPU hotplug if not done from the primary CPU

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SUSE CVE-2024-57951

In the Linux kernel, the following vulnerability has been resolved: hrtimers: Handle CPU state correctly on hotplug Consider a scenario where a CPU transitions from CPUHPONLINE to halfway through a CPU hotunplug down to CPUHPHRTIMERSPREPARE, and then back to CPUHPONLINE: Since hrtimerspreparecpu...