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...

PT-2026-46022

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the procfs component of the Linux kernel within the do task stat function. When reading the '/proc/pid/stat' endpoint, the system accesses the real parent variable witho...

CentOS 9 : kernel-5.14.0-710.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the kernel-5.14.0-710.el9 build changelog. - In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proclseek as ones for procreaditer et....

kernel security update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RockyLinux 9 : kernel (RLSA-2026:21556)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:21556 advisory. kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: ima: don't clear IMADIGSIG flag when setti...

CVE-2026-45311

CodeWhale is a DeepSeek + MiMo coding agent in terminal. From 0.3.0 to 0.8.23, the runtests tool executes cargo test in the workspace with ApprovalRequirement::Auto, meaning it runs without any user approval prompt. cargo test compiles and executes arbitrary code: test binaries, build.rs build...

kernel: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al

In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proclseek as ones for procreaditer et.al Check pde-procops-proclseek directly may cause UAF in rmmod scenario. It's a gap in procregopen after commit 654b33ada4ab"proc: fix UAF in...

ALSA-2026:21556 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183...

RHEL 9 : kernel (RHSA-2026:21556)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21556 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment ...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183...

RHEL 9 : kernel (RHSA-2026:21209)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21209 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: fix UAF in procgetinode...

kernel: proc: fix UAF in proc_get_inode()

In the Linux kernel, the following vulnerability has been resolved: proc: fix UAF in procgetinode Fix race between rmmod and /proc/XXX's inode instantiation. The bug is that pde-procops don't belong to /proc, it belongs to a module, therefore dereferencing it after /proc entry has been registered...

kernel: proc: fix UAF in proc_get_inode()

In the Linux kernel, the following vulnerability has been resolved: proc: fix UAF in procgetinode Fix race between rmmod and /proc/XXX's inode instantiation. The bug is that pde-procops don't belong to /proc, it belongs to a module, therefore dereferencing it after /proc entry has been registered...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rustbinder: Calling setnotificationdone without holding the proc lock. Consider the following sequence of events when a death listener is triggered: 1. The remote process dies and sends a BRDEADBINDER message. 2. The local proces...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: The issue of clearing the user buffer was fixed by properly using clearuser. To clear a user buffer, we cannot simply use memset; we must use clearuser. When using a virtio-mem device that registers a vmcorecb and ha...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT. lppacasharedproc takes a pointer to the lppaca, which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking whether preemption i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sysctl: Data race issues in procdouintvecminmax have been fixed. A sysctl variable is accessed concurrently, and there is always a risk of data races. Therefore, both readers and writers require some basic protection to avoid dat...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Binder: Fixed another UAF in binderdevices. The commit e77aff5528a18 "binderfs: fixed a use-after-free in binderdevices" addressed a use-after-free where devices could be released without first being removed from the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: Do not read mapcount for migration entries The syzbot reported the following bug: Kernel bug at include/linux/page-flags.h: 785 Invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1; PID: 4392; Comm: syz-executor560...