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15 matches found

NVD
NVD
added 2026/06/03 6:16 p.m.12 views

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 =...

7.8CVSS0.0012EPSS
Exploits0References8
ATTACKERKB
ATTACKERKB
added 2026/06/03 3:49 p.m.9 views

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 =...

5.7AI score0.0012EPSS
Exploits0References9Affected Software1
Cvelist
Cvelist
added 2026/06/03 3:49 p.m.35 views

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 =...

7.8CVSS0.0012EPSS
Exploits0References8
EUVD
EUVD
added 2026/06/03 3:49 p.m.8 views

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 =...

5.8AI score0.0012EPSS
Exploits0References8
CVE
CVE
added 2026/06/03 3:49 p.m.41 views

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...

7.8CVSS5.8AI score0.0012EPSS
Exploits0References8Affected Software1
CNNVD
CNNVD
added 2026/06/03 12:0 a.m.5 views

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...

7.8CVSS5.3AI score0.0012EPSS
Exploits0References8
Tenable Nessus
Tenable Nessus
added 2026/04/17 12:0 a.m.1 views

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...

5.5CVSS6.4AI score0.00213EPSS
Exploits0References3
Microsoft CVE
Microsoft CVE
added 2025/09/04 6:23 a.m.9 views

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

...

5.5CVSS7AI score0.00213EPSS
Exploits0
RedHat Linux
RedHat Linux
added 2024/12/04 12:56 a.m.7 views

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...

5.5CVSS7.1AI score0.00213EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2024/11/12 9:11 a.m.6 views

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...

5.5CVSS7.1AI score0.00213EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2024/10/30 12:15 a.m.2 views

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...

5.5CVSS7.1AI score0.00213EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2024/09/24 1:17 a.m.2 views

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...

5.5CVSS7.1AI score0.00213EPSS
Exploits0References5
SUSE CVE
SUSE CVE
added 2024/04/09 2:29 a.m.2 views

SUSE CVE-2024-26686

In the Linux kernel, the following vulnerability has been resolved: fs/proc: dotaskstat: use sig-statslock to gather the threads/children stats locktasksighand can trigger a hard lockup. If NRCPUS threads call dotaskstat at the same time and the process has NRTHREADS, it will spin with irqs...

5.5CVSS6.8AI score0.00213EPSS
Exploits0References3
OSV
OSV
added 2024/04/03 3:15 p.m.1 views

DEBIAN-CVE-2024-26686

In the Linux kernel, the following vulnerability has been resolved: fs/proc: dotaskstat: use sig-statslock to gather the threads/children stats locktasksighand can trigger a hard lockup. If NRCPUS threads call dotaskstat at the same time and the process has NRTHREADS, it will spin with irqs...

5.5CVSS5.6AI score0.00213EPSS
Exploits0References1
Positive Technologies
Positive Technologies
added 2024/01/23 12:0 a.m.12 views

PT-2024-21464

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the do task stat function, which can trigger a hard lockup if NR CPUS threads call it at the same time and...

5.5CVSS5.5AI score0.00213EPSS
Exploits0
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