CVE-2025-68179

The CVE-2025-68179 entry concerns the Linux kernel: on s390, enabling ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP can lead to crashes/data corruption due to page-table modifications not flushing TLBs. The fix is to disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP (a revert of the original patch), since HVO hook...

UBUNTU-CVE-2023-53706

In the Linux kernel, the following vulnerability has been resolved: mm/vmemmap/devdax: fix kernel crash when probing devdax devices commit 4917f55b4ef9 "mm/sparse-vmemmap: improve memory savings for compound devmaps" added support for using optimized vmmemap for devdax devices. But how vmemmap...

CVE-2023-53706 mm/vmemmap/devdax: fix kernel crash when probing devdax devices

In the Linux kernel, the following vulnerability has been resolved: mm/vmemmap/devdax: fix kernel crash when probing devdax devices commit 4917f55b4ef9 "mm/sparse-vmemmap: improve memory savings for compound devmaps" added support for using optimized vmmemap for devdax devices. But how vmemmap...

CVE-2023-53706

Summary of CVE-2023-53706 : A Linux kernel vulnerability in mm/vmemmap/devdax caused a kernel crash during probing of devdax devices, linked to architecture-specific handling of vmemmap mappings. The root cause involved vmemmap_populate_compound_pages() not accounting for architecture-specific ma...