Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: The issue involves bcm: – a UAF Use-After-Free flaw in bcmprocshow. Bug: KASAN: A slabuse-after-free issue occurs in bcmprocshow+0x969/0xa80. A size 8 data block was read from address ffff888155846230 by the task cat/7862. CPU: 1...

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: The issue involves bcm: adding missing rcu read protection for procfs content. When the procfs content is generated for a bcmop that is about to be removed, the procfs output might display unreliable data UAF. Since the removal o...

SUSE 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

A flaw was found in the Linux kernel's procfs component. When reading /proc/pid/stat, the dotaskstat function accesses task-realparent without proper Read-Copy-Update RCU protection. This missing protection creates a race condition, which can lead to a Use-After-Free UAF vulnerability. A local...

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

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

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...

Linux Distros Unpatched Vulnerability : CVE-2026-46259

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - procfs: fix missing RCU protection when reading realparent in dotaskstat When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: procfs: Fixed a possible double mmput operation in doprocmapquery. When a user provides a buffer of incorrect size for the PROCMAPQUERY build ID, we return an -ENAMETOOLONG error. After recent changes, this condition occurs later...

SUSE CVE-2026-43178

In the Linux kernel, the following vulnerability has been resolved: procfs: fix possible double mmput in doprocmapquery When user provides incorrectly sized buffer for build ID for PROCMAPQUERY we return with -ENAMETOOLONG error. After recent changes this condition happens later, after we unlocke...

CVE-2026-43178

A flaw was found in the Linux kernel's procfs component. A local user, by providing a malformed input buffer during a specific memory mapping query PROCMAPQUERY, can trigger an error in how the kernel manages process memory. This can lead to a double release of memory resources, potentially causi...

EUVD-2026-27738

In the Linux kernel, the following vulnerability has been resolved: procfs: fix possible double mmput in doprocmapquery When user provides incorrectly sized buffer for build ID for PROCMAPQUERY we return with -ENAMETOOLONG error. After recent changes this condition happens later, after we unlocke...

CVE-2026-43178

In the Linux kernel, the following vulnerability has been resolved: procfs: fix possible double mmput in doprocmapquery When user provides incorrectly sized buffer for build ID for PROCMAPQUERY we return with -ENAMETOOLONG error. After recent changes this condition happens later, after we unlocke...

CVE-2026-43178 procfs: fix possible double mmput() in do_procmap_query()

In the Linux kernel, the following vulnerability has been resolved: procfs: fix possible double mmput in doprocmapquery When user provides incorrectly sized buffer for build ID for PROCMAPQUERY we return with -ENAMETOOLONG error. After recent changes this condition happens later, after we unlocke...

CVE-2026-43178

In the Linux kernel, the following vulnerability has been resolved: procfs: fix possible double mmput in doprocmapquery When user provides incorrectly sized buffer for build ID for PROCMAPQUERY we return with -ENAMETOOLONG error. After recent changes this condition happens later, after we unlocke...

RHCOS 4 : OpenShift Container Platform 4.14.59 (RHSA-2025:21328)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21328 advisory. - net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 - runc: container escape via...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: procfs: Avoid fetching the build ID while holding the VMA lock. Fix the PROCMAPQUERY to fetch the optional build ID only after releasing the mmaplock or the per-VMA lock, whichever was used to lock the VMA, to prevent deadlock...

RHCOS 4 : OpenShift Container Platform 4.15.61 (RHSA-2026:1540)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:1540 advisory. - runc: container escape via 'masked path' abuse due to mount race conditions CVE-2025-31133 - runc: container escape with malicious...

RHCOS 4 : OpenShift Container Platform 4.12.84 (RHSA-2026:0315)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:0315 advisory. - runc: container escape via 'masked path' abuse due to mount race conditions CVE-2025-31133 - runc: container escape with malicious...