Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: procfs: Fixed a missing RCU protection when reading realparent in dotaskstat. When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU protection. This leads to the following sequence of events: cpu 0 c...

CVE-2026-46259

In the Linux kernel, the following vulnerability has been resolved: procfs: fix missing RCU protection when reading realparent in dotaskstat When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU protection, which leads to: cpu 0 cpu 1 ----- ----- dotaskstat var =...

EUVD-2026-34121

In the Linux kernel, the following vulnerability has been resolved: procfs: fix missing RCU protection when reading realparent in dotaskstat When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU protection, which leads to: cpu 0 cpu 1 ----- ----- dotaskstat var =...

CVE-2026-46259

In the Linux kernel procfs path do_task_stat() reading /proc/[pid]/stat, task->real_parent is accessed without proper RCU protection, enabling a potential Use-After-Free when another task is released. The fix switches from task_tgid_nr_ns() to task_ppid_nr_ns() to add proper RCU protection for...

CVE-2026-46259

In the Linux kernel, the following vulnerability has been resolved: procfs: fix missing RCU protection when reading realparent in dotaskstat When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU protection, which leads to: cpu 0 cpu 1 ----- ----- dotaskstat var =...

CVE-2026-46259 procfs: fix missing RCU protection when reading real_parent in do_task_stat()

In the Linux kernel, the following vulnerability has been resolved: procfs: fix missing RCU protection when reading realparent in dotaskstat When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU protection, which leads to: cpu 0 cpu 1 ----- ----- dotaskstat var =...

CVE-2026-46259 procfs: fix missing RCU protection when reading real_parent in do_task_stat()

In the Linux kernel, the following vulnerability has been resolved: procfs: fix missing RCU protection when reading realparent in dotaskstat When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU protection, which leads to: cpu 0 cpu 1 ----- ----- dotaskstat var =...

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 is a security vulnerability in the Linux kernel, which stems from the procfs module’s lack of RCU protection when reading task-realparent in the dotaskstat functio...

CVE-2026-46173

In the Linux kernel, the following vulnerability has been resolved: exit: prevent preemption of oopsing TASKDEAD task When an already-exiting task oopses, maketaskdead currently calls dotaskdead with preemption enabled. That is forbidden: dotaskdead calls schedule, which has a comment saying...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007430)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007430 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/proc: dotaskstat: use sig-statslock to gather the threads/children stats locktasksighand can...

SUSE CVE-2025-40061

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix race in dotask when draining When dotask exhausts its iteration budget !ret, it sets the state to TASKSTATEIDLE to reschedule, without a secondary check on the current task-state. This can overwrite the...

DEBIAN-CVE-2025-40061

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix race in dotask when draining When dotask exhausts its iteration budget !ret, it sets the state to TASKSTATEIDLE to reschedule, without a secondary check on the current task-state. This can overwrite the...

AZL-68837 CVE-2025-40061 affecting package kernel for versions less than 6.6.112.1-2

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix race in dotask when draining When dotask exhausts its iteration budget !ret, it sets the state to TASKSTATEIDLE to reschedule, without a secondary check on the current task-state. This can overwrite the...

CVE-2025-40061

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix race in dotask when draining When dotask exhausts its iteration budget !ret, it sets the state to TASKSTATEIDLE to reschedule, without a secondary check on the current task-state. This can overwrite the...

CVE-2025-40061 RDMA/rxe: Fix race in do_task() when draining

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix race in dotask when draining When dotask exhausts its iteration budget !ret, it sets the state to TASKSTATEIDLE to reschedule, without a secondary check on the current task-state. This can overwrite the...

CVE-2025-40061

The CVE-2025-40061 issue affects the Linux kernel RDMA/rxe path, where do_task() could race with rxe_cleanup_task() or rxe_disable_task() during draining. When iterations are exhausted, do_task() sets the state to TASK_STATE_IDLE, potentially overwriting TASK_STATE_DRAINING and allowing a use-aft...

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 the dotask function in the RDMA/rxe module not properly checking the status of a task when exhausting the...

fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats

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kernel: fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats

A vulnerability was found in the dotaskstat function in the Linux kernel, where due to excessive lock contention, a potential hard lockup could be created. This can create a performance bottleneck and lead to kernel unresponsiveness...

kernel: fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats

A vulnerability was found in the dotaskstat function in the Linux kernel, where due to excessive lock contention, a potential hard lockup could be created. This can create a performance bottleneck and lead to kernel unresponsiveness...