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Уязвимость компонента dt9812 ядра операционной системы Linux, позволяющая нарушителю получить доступ к конфиденциальной информации

ALT-PU-2021-5039: package `kernel-image-un-def` update to version 5.14.18-alt1

ALT-PU-2021-5010: package `kernel-image-std-def` update to version 5.10.79-alt1

ALT-PU-2021-4867: package `kernel-image-un-def` update to version 5.14.18-alt1

In the Linux kernel, the following vulnerability has been resolved: comedi: dt9812: fix DMA buffers on stack USB transfer buffers are typically mapped for DMA and must not be allocated on the stack or transfers will fail. Allocate proper transfer buffers in the various command helpers and return an error on short transfers instead of acting on random stack data. Note that this also fixes a stack info leak on systems where DMA is not used as 32 bytes are always sent to the device regardless of how short the command is.

In the Linux kernel, the following vulnerability has been resolved: comedi: dt9812: fix DMA buffers on stack USB transfer buffers are typically mapped for DMA and must not be allocated on the stack or transfers will fail. Allocate proper transfer buffers in the various command helpers and return an error on short transfers instead of acting on random stack data. Note that this also fixes a stack info leak on systems where DMA is not used as 32 bytes are always sent to the device regardless of how short the command is.

In the Linux kernel, the following vulnerability has been resolved: comedi: dt9812: fix DMA buffers on stack USB transfer buffers are typically mapped for DMA and must not be allocated on the stack or transfers will fail. Allocate proper transfer buffers in the various command helpers and return an error on short transfers instead of acting on random stack data. Note that this also fixes a stack info leak on systems where DMA is not used as 32 bytes are always sent to the device regardless of how short the command is.

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

ALT-PU-2021-3306: package `kernel-image-std-kvm` update to version 5.10.80-alt1

In the Linux kernel, the following vulnerability has been resolved: comedi: dt9812: fix DMA buffers on stack USB transfer buffers are typically mapped for DMA and must not be allocated on the stack or transfers will fail. Allocate proper transfer buffers in the various command helpers and return an error on short transfers instead of acting on random stack data. Note that this also fixes a stack info leak on systems where DMA is not used as 32 bytes are always sent to the device regardless of how short the command is.

ALT-PU-2021-3330: package `kernel-image-mp` update to version 5.15.4-alt1

Множественные уязвимости kernel-lt

ALT-PU-2021-3309: package `kernel-image-std-def` update to version 5.10.79-alt1

ALT-PU-2021-3618: package `kernel-image-rt` update to version 5.10.87-alt1.rt59

ALT-PU-2021-3458: package `kernel-image-rpi-def` update to version 5.10.81-alt1

ALT-PU-2021-3451: package `kernel-image-rpi-def` update to version 5.10.81-alt1

ALT-PU-2022-7822: package `kernel-image-xenomai` update to version 4.19.229-alt1.cip67.21

ALT-PU-2022-1428: package `kernel-image-rt` update to version 5.10.100-alt1.rt62

ALT-PU-2022-2096: package `kernel-image-xenomai` update to version 4.19.229-alt1.cip67.21

ALT-PU-2021-3573: package `kernel-image-rpi-un` update to version 5.15.6-alt1