Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed a deadlock between rcutaskstrace and eventmutex. Fixed the following deadlock: - CPU A: - freeevent - perfkprobedestroy - mutexlock&eventmutex - perfTraceEventUnreg - synchronizercutaskstrace There are several paths...

AZL-70162 CVE-2025-37884 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

DEBIAN-CVE-2025-37884

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

CVE-2025-37884

CVE-2025-37884: In the Linux kernel, a deadlock between rcu_tasks_trace and event_mutex was fixed. The issue manifested in _free_event() calling perf_trace_event_unreg() under mutex_lock(&event_mutex) while perf_kprobe_destroy() could synchronize_rcu_tasks_trace(), and in bpf_prog_test_run_syscal...

CVE-2025-37884 bpf: Fix deadlock between rcu_tasks_trace and event_mutex.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

Linux kernel 安全漏洞

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 a deadlock between rcutaskstrace and eventmutex...

SUSE CVE-2022-49540

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix race in schedule and flush work While booting secondary CPUs, cpusreadlock/unlock is not keeping online cpumask stable. The transient online mask results in below calltrace. 0.324121 CPU1: Booted secondary processo...

DEBIAN-CVE-2022-49540

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix race in schedule and flush work While booting secondary CPUs, cpusreadlock/unlock is not keeping online cpumask stable. The transient online mask results in below calltrace. 0.324121 CPU1: Booted secondary processo...

UBUNTU-CVE-2022-49540

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix race in schedule and flush work While booting secondary CPUs, cpusreadlock/unlock is not keeping online cpumask stable. The transient online mask results in below calltrace. 0.324121 CPU1: Booted secondary processo...

PT-2025-8473 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the version that includes this fix Description: A race condition in the Linux kernel's RCU Tasks Rude grace-period process has been identified. This issue occurs during early boot when there is only one online...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fixed an issue where the non-existent percpu rtpcp variable was accessed in rcutasksneedgpcb. For kernels built with CONFIGFORCENRCPUS=y, nrcpuids is defined as NRCPUS instead of the number of possible CPUs. This could...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: IORINGOPREAD did not correctly consume the provided buffer list when CVE-2023-52926 In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed overflow check in mienumattr CVE-2024-27407 I...

CVE-2024-56786

In the Linux kernel, the following vulnerability has been resolved: bpf: put bpflink's program when link is safe to be deallocated In general, BPF link's underlying BPF program should be considered to be reachable through attach hook - link - prog chain, and, pessimistically, we have to assume th...

kernel: rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()

A locking violation was found in the Linux kernel RCU-tasks subsystem's callback list initialization. During system boot, the initialization code calls prinfo while holding the rtp-cbsgbllock spinlock, causing a potentially sleeping function to be called in atomic context, which results in kernel...

SUSE CVE-2024-49926

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix access non-existent percpu rtpcp variable in rcutasksneedgpcb For kernels built with CONFIGFORCENRCPUS=y, the nrcpuids is defined as NRCPUS instead of the number of possible cpus, this will cause the following syst...

DEBIAN-CVE-2024-49926

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix access non-existent percpu rtpcp variable in rcutasksneedgpcb For kernels built with CONFIGFORCENRCPUS=y, the nrcpuids is defined as NRCPUS instead of the number of possible cpus, this will cause the following syst...

AZL-52959 CVE-2024-49926 affecting package kernel for versions less than 6.6.64.2-9

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix access non-existent percpu rtpcp variable in rcutasksneedgpcb For kernels built with CONFIGFORCENRCPUS=y, the nrcpuids is defined as NRCPUS instead of the number of possible cpus, this will cause the following syst...

AZL-52896 CVE-2024-49926 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix access non-existent percpu rtpcp variable in rcutasksneedgpcb For kernels built with CONFIGFORCENRCPUS=y, the nrcpuids is defined as NRCPUS instead of the number of possible cpus, this will cause the following syst...

UBUNTU-CVE-2024-49926

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix access non-existent percpu rtpcp variable in rcutasksneedgpcb For kernels built with CONFIGFORCENRCPUS=y, the nrcpuids is defined as NRCPUS instead of the number of possible cpus, this will cause the following syst...

CVE-2024-49926 rcu-tasks: Fix access non-existent percpu rtpcp variable in rcu_tasks_need_gpcb()

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix access non-existent percpu rtpcp variable in rcutasksneedgpcb For kernels built with CONFIGFORCENRCPUS=y, the nrcpuids is defined as NRCPUS instead of the number of possible cpus, this will cause the following syst...