SUSE-SU-2024:0900-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-6270: Fixed a use-after-free issue in aoecmdcfgpkts bsc1218562. - CVE-2023-52463: Fixed null pointer dereference in efivarfs bsc1220328. - CVE-2023-52559:...

BELL-CVE-2023-52559

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UBUNTU-CVE-2023-52559

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid memory allocation in iommususpend The iommususpend syscore suspend callback is invoked with IRQ disabled. Allocating memory with the GFPKERNEL flag may re-enable IRQs during the suspend callback, which can cause...

CVE-2023-52559 iommu/vt-d: Avoid memory allocation in iommu_suspend()

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid memory allocation in iommususpend The iommususpend syscore suspend callback is invoked with IRQ disabled. Allocating memory with the GFPKERNEL flag may re-enable IRQs during the suspend callback, which can cause...

CVE-2023-52559

CVE-2023-52559 concerns the Linux kernel iommu/vt-d suspension path. The issue arises because iommu_suspend() is called with IRQs disabled and memory could be allocated with GFP_KERNEL during the suspend callback, potentially re-enabling IRQs and causing intermittent suspend/hibernate problems. O...