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Уязвимость компонентов drm/ast ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

In the Linux kernel, the following vulnerability has been resolved: drm/ast: Fix soft lockup There is a while-loop in ast_dp_set_on_off() that could lead to infinite-loop. This is because the register, VGACRI-Dx, checked in this API is a scratch register actually controlled by a MCU, named DPMCU, in BMC. These scratch registers are protected by scu-lock. If suc-lock is not off, DPMCU can not update these registers and then host will have soft lockup due to never updated status. DPMCU is used to control DP and relative registers to handshake with host's VGA driver. Even the most time-consuming task, DP's link training, is less than 100ms. 200ms should be enough.

In the Linux kernel, the following vulnerability has been resolved: drm/ast: Fix soft lockup There is a while-loop in ast_dp_set_on_off() that could lead to infinite-loop. This is because the register, VGACRI-Dx, checked in this API is a scratch register actually controlled by a MCU, named DPMCU, in BMC. These scratch registers are protected by scu-lock. If suc-lock is not off, DPMCU can not update these registers and then host will have soft lockup due to never updated status. DPMCU is used to control DP and relative registers to handshake with host's VGA driver. Even the most time-consuming task, DP's link training, is less than 100ms. 200ms should be enough.

In the Linux kernel, the following vulnerability has been resolved: drm/ast: Fix soft lockup There is a while-loop in ast_dp_set_on_off() that could lead to infinite-loop. This is because the register, VGACRI-Dx, checked in this API is a scratch register actually controlled by a MCU, named DPMCU, in BMC. These scratch registers are protected by scu-lock. If suc-lock is not off, DPMCU can not update these registers and then host will have soft lockup due to never updated status. DPMCU is used to control DP and relative registers to handshake with host's VGA driver. Even the most time-consuming task, DP's link training, is less than 100ms. 200ms should be enough.

In the Linux kernel, the following vulnerability has been resolved: d ...

Множественные уязвимости kernel-lt

In the Linux kernel, the following vulnerability has been resolved: drm/ast: Fix soft lockup There is a while-loop in ast_dp_set_on_off() that could lead to infinite-loop. This is because the register, VGACRI-Dx, checked in this API is a scratch register actually controlled by a MCU, named DPMCU, in BMC. These scratch registers are protected by scu-lock. If suc-lock is not off, DPMCU can not update these registers and then host will have soft lockup due to never updated status. DPMCU is used to control DP and relative registers to handshake with host's VGA driver. Even the most time-consuming task, DP's link training, is less than 100ms. 200ms should be enough.

ALT-PU-2024-18369: package `kernel-image-std-def` update to version 6.1.87-alt1

ALT-PU-2024-18472: package `kernel-image-un-def` update to version 6.6.28-alt1

ALT-PU-2024-18213: package `kernel-image-pine` update to version 6.6.28-alt1

ALT-PU-2024-18145: package `kernel-image-6.8` update to version 6.8.7-alt1

ALT-PU-2024-17905: package `kernel-image-un-def` update to version 6.1.90-alt1

ALT-PU-2024-18118: package `kernel-image-mp` update to version 6.8.8-alt1

ALT-PU-2024-7646: package `kernel-image-rt` update to version 6.1.90-alt1.rt30

Important: kernel security update

ELSA-2024-5101: kernel security update (IMPORTANT)

ALT-PU-2024-14046: package `kernel-image-rpi-un` update to version 6.6.56-alt1

Security update for the Linux Kernel

Security update for the Linux Kernel

ELSA-2024-9315: kernel security update (MODERATE)