CVE-2026-98198

A flaw was found in the Linux kernel's PWM fan driver. A local privileged user can cause a Denial of Service DoS or memory corruption by unbinding or detaching the driver. Due to an improper cleanup sequence, internal data structures are released while the sampling timer is still active, resultin...

CVE-2026-26399-Disclosure

CVE-2026-26399: Stack-based Use-After-Return in ArduinoCoreSTM32 Legacy Versions Summary A stack-based use-after-return vulnerability exists in legacy versions of ArduinoCoreSTM32 prior to version 1.7.0. The issue is located in the pwmstart implementation, where a TIMHandleTypeDef object is...

DEBIAN-CVE-2026-98198

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

AZL-106185 CVE-2026-98198 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

CVE-2026-98198

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

CVE-2026-98197

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83791d remove fan/pwm 4-5 sysfs group on remove When the fan/pwm 4-5 pins are not used as GPIO, w83791dprobe creates the w83791dgroupfanpwm45 sysfs group on the I2C client device. The probe error path removes this group...

CVE-2026-98198

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

UBUNTU-CVE-2026-98198

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

CVE-2026-98198

The Linux kernel contains a vulnerability in the hwmon (pwm-fan) component where the sample_timer() function can access freed memory. This occurs because the cleanup action to stop the RPM timer is registered before the ctx->tachs and ctx->pulses_per_revolution arrays are allocated; since d...

EUVD-2026-93126

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

CVE-2026-98198 hwmon: (pwm-fan) Stop RPM timer before freeing tach data

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

CVE-2026-98197

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83791d remove fan/pwm 4-5 sysfs group on remove When the fan/pwm 4-5 pins are not used as GPIO, w83791dprobe creates the w83791dgroupfanpwm45 sysfs group on the I2C client device. The probe error path removes this group...

CVE-2026-98198

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

CVE-2026-98198 hwmon: (pwm-fan) Stop RPM timer before freeing tach data

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

PT-2026-106527

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sample timer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulses per revolution arrays. The cleanup action which stops the timer is registered before...

CVE-2026-98198: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution arrays. The cleanup action which stops the timer is registered before tho...

PT-2026-106526

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the hwmon component specifically affecting the w83791d driver. When fan/pwm 4-5 pins are not used as GPIO, the w83791d probe function creates the w83791d group fanpwm4...

Linux Distros Unpatched Vulnerability : CVE-2026-98198

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hwmon: pwm-fan Stop RPM timer before freeing tach data sampletimer rearms the RPM timer and accesses the devm-managed ctx-tachs and ctx-pulsesperrevolution...

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

In the Linux kernel, the following vulnerability has been resolved: pwm: lpc32xx: Remove handling of PWM channels Since the LPC32xx PWM controllers have only one output, which is registered as the only PWM device/channel per controller, it is known in advance that pwm-hwpwm value is always 0. Bas...

ROS-20260928-73-0032

The vulnerability in the driver/pwm/pwm-berlin.c module of the Linux operating system is related to improper release of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...