Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Remove clkdisable from mtkiommuremove. After the commit b34ea31fe013 “iommu/mediatek: Always enable the clk on resume”, the iommu clock is controlled by the runtime callback. Therefore, the clkdisable function is...

The vulnerability of the mtk_iommu_remove() function in the drivers/iommu/mtk_iommu.c module of the Linux kernel’s IOMMU support driver allows a attacker to cause a service failure.

The vulnerability of the mtkiommuremove function in the drivers/iommu/mtkiommu.c module of the Linux kernel’s IOMMU support driver exposes confidential information. Exploiting this vulnerability could allow an attacker to cause a service failure...