kernel: PCI/sysfs: Add lockdown checks to legacy I/O and memory handlers

A flaw was found in the Linux kernel's PCI/sysfs legacy I/O and memory handlers. These handlers failed to enforce kernel lockdown, a security mechanism designed to prevent privileged users from performing certain low-level operations. A local root user could exploit this by writing to arbitrary I...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-151281)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-151281 advisory. In the Linux kernel, the following vulnerability has been resolved: power: supply: charger-manager: register regulators before exposing sysfs chargermanagerremove a...

CVE-2026-100080

In the Linux kernel, the following vulnerability has been resolved: xen-netback: Fix UAF when reading statistics data The network statistic data in the driver is protected by RCU. Unfortunately when tearing down the queues after an error during connecting to the frontend e.g. due to illegal...

CVE-2026-100082

In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not...

UBUNTU-CVE-2026-100080

In the Linux kernel, the following vulnerability has been resolved: xen-netback: Fix UAF when reading statistics data The network statistic data in the driver is protected by RCU. Unfortunately when tearing down the queues after an error during connecting to the frontend e.g. due to illegal...

UBUNTU-CVE-2026-100082

In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not...

Linux Distros Unpatched Vulnerability : CVE-2026-100080

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xen-netback: Fix UAF when reading statistics data The network statistic data in the driver is protected by RCU. Unfortunately when tearing down the queues after...

Linux Distros Unpatched Vulnerability : CVE-2026-100082

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NU...

CVE-2026-100082

In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not...

CVE-2026-100080

In the Linux kernel, the following vulnerability has been resolved: xen-netback: Fix UAF when reading statistics data The network statistic data in the driver is protected by RCU. Unfortunately when tearing down the queues after an error during connecting to the frontend e.g. due to illegal...

CVE-2026-100080

In the Linux kernel, the following vulnerability has been resolved: xen-netback: Fix UAF when reading statistics data The network statistic data in the driver is protected by RCU. Unfortunately when tearing down the queues after an error during connecting to the frontend e.g. due to illegal...

DEBIAN-CVE-2026-100080

In the Linux kernel, the following vulnerability has been resolved: xen-netback: Fix UAF when reading statistics data The network statistic data in the driver is protected by RCU. Unfortunately when tearing down the queues after an error during connecting to the frontend e.g. due to illegal...

DEBIAN-CVE-2026-100082

In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not...

CVE-2026-100082

In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not...

EUVD-2026-118401

In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not...

CVE-2026-100082 xen-blkback: Avoid UAF when reading I/O statistics

In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not...

CVE-2026-100082

The Linux kernel (versions 4.5 and newer) contains a vulnerability in the xen-blkback driver. The issue stems from a lack of synchronization between reading I/O statistics via sysfs and the freeing of the memory holding that data during frontend device teardown. This race condition can lead to a ...

CVE-2026-100082 xen-blkback: Avoid UAF when reading I/O statistics

In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not...

CVE-2026-100080 xen-netback: Fix UAF when reading statistics data

In the Linux kernel, the following vulnerability has been resolved: xen-netback: Fix UAF when reading statistics data The network statistic data in the driver is protected by RCU. Unfortunately when tearing down the queues after an error during connecting to the frontend e.g. due to illegal...