AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1783355084)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783355084 advisory. - In the Linux kernel, the following vulnerability has been resolved: hwmon: w83792d Fix NULL pointer dereference by removing...

SUSE CVE-2026-80893

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

AZL-99609 CVE-2026-80893 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

CVE-2026-80893

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

CVE-2026-80893

CVE-2026-80893 is a Linux kernel vulnerability in the mm/hugetlb subsystem. The root cause lies in copy_hugetlb_page_range(), which clears the userfaultfd write-protect (uffd-wp) bit on swap entries using huge_pte_clear_uffd_wp(). This function operates on the present-PTE bit position, but swap e...

CVE-2026-80893 mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork()

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

EUVD-2026-71643

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

CVE-2026-80893 mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork()

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

CVE-2026-80893

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

Linux Distros Unpatched Vulnerability : CVE-2026-80893

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with...

PT-2026-86184

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copy hugetlb page range clears the uffd-wp bit of migration and hwpoison entries with huge pte clear uffd wp, which operates on the present-PTE bit position. Swa...

Linux Distros Unpatched Vulnerability : CVE-2026-72180

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugememory: preserve pmdswpuffdwp on device-private PMD downgrade changenonpresenthugepmd rewrites a writable device-private PMD swap entry into a readable o...

UBUNTU-CVE-2026-72174

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix hugetlb self-deadlock in pagemapscanptehole A PAGEMAPSCAN ioctl requesting PMSCANWPMATCHING on a hugetlb VMA hangs the calling thread, unkillably, as soon as the scan reaches an unpopulated part of the range:...

UBUNTU-CVE-2026-72180

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: preserve pmdswpuffdwp on device-private PMD downgrade changenonpresenthugepmd rewrites a writable device-private PMD swap entry into a readable one without carrying pmdswpuffdwp across. The PTE-level...

CVE-2026-72180 mm/huge_memory: preserve pmd_swp_uffd_wp on device-private PMD downgrade

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: preserve pmdswpuffdwp on device-private PMD downgrade changenonpresenthugepmd rewrites a writable device-private PMD swap entry into a readable one without carrying pmdswpuffdwp across. The PTE-level...

CVE-2026-72180

CVE-2026-72180 affects the Linux kernel’s huge memory handling (mm/huge_memory). The root cause is that during device-private PMD downgrade, the pmd_swp_uffd_wp flag can be lost when the swap entry is rewritten, allowing a plain mprotect() on a UFFD_WP-marked device-private THP to strip the flag ...

CVE-2026-72174

CVE-2026-72174 affects the Linux kernel’s hugetlb mmap/pagemap handling. The vulnerability arises in fs/proc/task_mmu during a PAGEMAP_SCAN with PM_SCAN_WP_MATCHING on a hugetlb VMA, where walking hole entries via pagemap_scan_pte_hole() leads to a deadlock: the thread holds a read lock while att...

CVE-2026-72174 fs/proc/task_mmu: fix hugetlb self-deadlock in pagemap_scan_pte_hole()

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix hugetlb self-deadlock in pagemapscanptehole A PAGEMAPSCAN ioctl requesting PMSCANWPMATCHING on a hugetlb VMA hangs the calling thread, unkillably, as soon as the scan reaches an unpopulated part of the range:...

PT-2026-72368

In the Linux kernel, the following vulnerability has been resolved: mm/huge memory: preserve pmd swp uffd wp on device-private PMD downgrade change non present huge pmd rewrites a writable device-private PMD swap entry into a readable one without carrying pmd swp uffd wp across. The PTE-level...

PT-2026-72362

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A self-deadlock occurs in the Linux kernel when a PAGEMAP SCAN ioctl requests PM SCAN WP MATCHING on a hugetlb VMA. The issue arises when the scan reaches an unpopulated part of the rang...