Linux Distros Unpatched Vulnerability : CVE-2026-99205

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sched/core: Call wakeuppreempt for queued tasks during class change Paul reported recent RCU changes exposed a lost resched where CPU idles with a rcutorture...

Linux kernel security vulnerabilities

A security vulnerability exists in Linux kernel version 7.0. It stems from a failure to invoke wakeuppreempt on queued tasks during changes to the scheduler class, resulting in runnable tasks being left unrescheduled and potentially causing the CPU to become idle...

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 the CPU idle device is unregistered, the memory associated with it is not freed, resulting in a memory leak: unreferenced object 0xffff896282f6c000 siz...

USN-8492-5: Linux kernel (FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...

USN-8498-1 linux-nvidia-tegra vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...

USN-8492-2 linux-aws-6.8, linux-gcp-6.8, linux-gke, linux-gkeop, linux-ibm-6.8, linux-nvidia-lowlatency, linux-oracle-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...

USN-8492-2: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: ACPI: Processor – Updated the check for the cpuidle driver in acpiprocessorstart. Commit 7a8c994cbb2d “ACPI: Processor: Idle: Optimize ACPI idle driver registration” moved the ACPI idle driver registration to...

CVE-2026-43122

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

SUSE CVE-2023-53859

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

EUVD-2023-60137

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

CVE-2023-53859

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

UBUNTU-CVE-2023-53859

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

CVE-2023-53859 s390/idle: mark arch_cpu_idle() noinstr

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

CVE-2023-53859 s390/idle: mark arch_cpu_idle() noinstr

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

CVE-2023-53859

CVE-2023-53859 is a Linux kernel issue affecting the s390 idle path where arch_cpu_idle() was not marked noinstr, triggering an RCU-related warning during idle tracing. The affected sequence shows a warning: “RCU not on for: arch_cpu_idle+0x0/0x28” in arch_ftrace_ops_list_func, leading to a trace...

Linux Distros Unpatched Vulnerability : CVE-2023-53859

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/idle: mark archcpuidle noinstr linux-next commit cpuidle: tracing: Warn about !rcuiswatching adds a new warning which hits on s390's archcpuidle function:...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the s390 idle not marking archcpuidle as noinstr, which could result in an RCU warning...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-411356)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-411356 advisory. In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: Fix memory leak in acpiprocessorpowerexit After unregistering the CPU idle...

Linux Distros Unpatched Vulnerability : CVE-2021-47187

"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: arm64: dts: qcom: msm8998: Fix CPU/L2 idle state latency and residency The entry/exit laten...