OESA-2026-4359 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock...

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: vfio/fsl-mc: Blocking calls to interrupt handlers without triggering them The eventfdctx trigger pointer of the vfiofslmcirq object is initially NULL, and it may become NULL if the user sets the trigger parameter of eventfd to -1...

ROS-20260918-73-0111

The vulnerability of the drivers/bus/fsl-mc/fsl-mc-bus.c component in the Linux kernel is related to the use of memory after it has been freed. Exploiting this vulnerability can allow an attacker to cause a system failure...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc-bus: Fixed a use-after-free issue in fslmcbusremove. In fslmcbusRemove, mc-rootmcbusdev-mcio was passed to fsldestroymcio. However, mc-rootmcbusdev was already freed in fslmcDeviceRemove. As a result, referencing...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053248)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053248 advisory. In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc-bus: fix KASAN use-after-free in fslmcbusremove In fslmcbusremove, mc-rootmcbusdev-mc...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: bus: fsl-mc: Do not assume that child devices are all fsl-mc devices Changes in VFIO caused a pseudo-device to be created as a child of fsl-mc devices, resulting in a crash when attempting to bind a fsl-mc device to VFIO. This...

Linux FSL MC Bus Component DoS

The vulnerability of the drivers/bus/fsl-mc/fsl-mc-bus.c component in the Linux operating system is related to the use of memory after it has been freed. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2026-53115

A flaw was found in the Linux kernel's fsl-mc bus driver. During the driver probing process, a Use-After-Free UAF vulnerability can occur because the match callback accesses the driveroverride field without proper locking. This can lead to system instability or potentially allow an attacker to...

Linux Distros Unpatched Vulnerability : CVE-2026-53115

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock...

AZL-90288 CVE-2026-53115 affecting package kernel 6.6.161.1-1

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which ca...

CVE-2026-53115

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which ca...

CVE-2026-53115

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which ca...

CVE-2026-53115

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which ca...

CVE-2026-53115 bus: fsl-mc: use generic driver_override infrastructure

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which ca...

EUVD-2026-38983

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which ca...

CVE-2026-53115

Technical details about CVE-2026-53115 are not publicly provided in the supplied documents; no affected products, impacts, or fixes are specified beyond the generic Linux kernel fix. Monitor for updates.

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: fix use-after-free in driveroverrideshow The driveroverrideshow function reads the driveroverride string without holding the devicelock. However, driveroverridestore uses driversetoverride, which modifies and frees t...

PT-2026-52009

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the fsl-mc bus. When a driver is probed via the driver attach function, the bus match callback is executed without holding the device lock. This lead...

CVE-2026-53115: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which ca...

Linux Kernel Security Vulnerabilities

The Linux kernel version 5.10 contains security vulnerabilities. These vulnerabilities stem from the fsl-mc bus lacking lock protection when using the driveroverride field, which may lead to reuse after release...