CVE-2022-49647

CVE-2022-49647 affects the Linux kernel cgroups migration code. The vulnerability stems from overloading cset->mg_preload_node for both src and dst preload lists during task migrations, which could allow a cset to be simultaneously sourced and destined, risking a use-after-free if all tasks le...

CVE-2022-49647

In the Linux kernel, the following vulnerability has been resolved: cgroup: Use separate src/dst nodes when preloading csssets for migration Each cset cssset is pinned by its tasks. When we're moving tasks around across csets for a migration, we need to hold the source and destination csets to...

CVE-2022-49554

CVE-2022-49554 concerns the Linux kernel’s zsmalloc code. The issue arises from races between the asynchronous zspage free worker and page migration, where lock_zspage() may interact with pages that migrate away, leading to potential invalid dereferences and incomplete locking of zspage page list...

CVE-2022-49554 zsmalloc: fix races between asynchronous zspage free and page migration

In the Linux kernel, the following vulnerability has been resolved: zsmalloc: fix races between asynchronous zspage free and page migration The asynchronous zspage free worker tries to lock a zspage's entire page list without defending against page migration. Since pages which haven't yet been...

CVE-2022-49554 zsmalloc: fix races between asynchronous zspage free and page migration

In the Linux kernel, the following vulnerability has been resolved: zsmalloc: fix races between asynchronous zspage free and page migration The asynchronous zspage free worker tries to lock a zspage's entire page list without defending against page migration. Since pages which haven't yet been...

CVE-2022-49554

In the Linux kernel, the following vulnerability has been resolved: zsmalloc: fix races between asynchronous zspage free and page migration The asynchronous zspage free worker tries to lock a zspage's entire page list without defending against page migration. Since pages which haven't yet been...

CVE-2021-47635 ubifs: Fix to add refcount once page is set private

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix to add refcount once page is set private MM defined the rule 1 very clearly that once page was set with PGprivate flag, we should increment the refcount in that page, also main flows like pageout, migratepage will assu...

CVE-2021-47635

CVE-2021-47635 concerns a Linux kernel ubifs page refcount bug when a page is marked with PG_private. The connected documents describe that UBIFS did not increase the page’s refcount after SetPagePrivate, causing the migration code to overestimate zero references and migrate pages still in use, p...

CVE-2021-47635

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix to add refcount once page is set private MM defined the rule 1 very clearly that once page was set with PGprivate flag, we should increment the refcount in that page, also main flows like pageout, migratepage will assu...

PT-2025-8487 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A issue in the Linux kernel has been identified, where the asynchronous zspage free worker does not properly defend against page migration, leading to potential races. This can cause t...

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 source and target node issue with csssets preloading during migration...

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 race condition between asynchronous zspage release and page migration...

PT-2025-28009

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A race condition in the Linux kernel's scheduler can cause crashes, including kernel panics with various crash signatures such as assert failures, page faults, null pointer dereference...

Security update for openssh

This update for openssh fixes the following issues: CVE-2025-26465: Fixed a MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client bsc1237040. Add a s390 specific ioctl for ECC hardware support bsc1225637: for migration to openssh 8.4: write active/enabled switch over files only if not yet...

CVE-2024-13555

The 1 Click WordPress Migration Plugin – 100% FREE for a limited time plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.2. This is due to missing or incorrect nonce validation on the cancelactions function. This makes it possible for...

CVE-2024-13609

The 1 Click WordPress Migration Plugin – 100% FREE for a limited time plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.2 via the class-ocm-backup.php. This makes it possible for unauthenticated attackers to extract sensitive data includi...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

kernel: mm: migrate: fix getting incorrect page mapping during page migration

A page mapping vulnerability was found in the Linux kernel. A call to the pagemapping function during a page migration may return an incorrect file mapping and cause a system crash if another thread is simultaneously attempting to offline the target page that is being migrated...

kernel: mm: fix NULL pointer dereference in alloc_pages_bulk_noprof

In the Linux kernel, the following vulnerability has been resolved: mm: fix NULL pointer dereference in allocpagesbulknoprof We triggered a NULL pointer dereference for ac.preferredzoneref-zone in allocpagesbulknoprof when the task is migrated between cpusets. When cpuset is enabled, in...

RHEL 9 : kernel (RHSA-2025:1659)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:1659 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: mm: migrate: fix getting incorrect page...