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:...

EUVD-2026-58932

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:...

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-2026-72970

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description List corruption occurs in the allocate file region entries function when topping up the resv-region cache with file region descriptors. The issue arises because list splice is used to mo...

CVE-2026-72174: Undefined Security Weakness

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:...

CVE-2026-74518: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix list corruption in allocatefileregionentries allocatefileregionentries tops up resv-regioncache with freshly allocated fileregion descriptors. The allocation uses GFPKERNEL, so resv-lock is dropped around it: the...

Linux Distros Unpatched Vulnerability : CVE-2026-74518

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 list corruption in allocatefileregionentries allocatefileregionentries tops up resv-regioncache with freshly allocated fileregion descriptors. T...

Linux Distros Unpatched Vulnerability : CVE-2026-72213

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 hugetlb cgroup rsvd charge/uncharge mismatch In allochugetlbfolio, a single hcg pointer is used for both the rsvd and non-rsvd hugetlb cgroup...

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...

PT-2026-72401

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A mismatch occurs in the hugetlb cgroup charge and uncharge process. In the alloc hugetlb folio function, a single h cg pointer is used for both reserved rsvd and non-reserved hugetlb...

CVE-2026-72213: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb cgroup rsvd charge/uncharge mismatch In allochugetlbfolio, a single hcg pointer is used for both the rsvd and non-rsvd hugetlb cgroup charges. When mapchg is set, hugetlbcgroupchargecgrouprsvd stores the...

SUSE CVE-2026-68166

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: prevent registration of special VMAs Vova Tokarev says: userfaultfd allows registration on shadow stack VMAs. With userfaultfd access, you can register on the shadow stack, discard a page ... and inject a page with...

Linux Distros Unpatched Vulnerability : CVE-2026-68172

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - arm64: make hugeptepget handled unaligned addresses hugeptepget can be handed a virtual address pointing to the middle of a contpmd/contpte mapped hugetlb folio...

CVE-2026-68166

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: prevent registration of special VMAs Vova Tokarev says: userfaultfd allows registration on shadow stack VMAs. With userfaultfd access, you can register on the shadow stack, discard a page ... and inject a page with...

UBUNTU-CVE-2026-68166

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: prevent registration of special VMAs Vova Tokarev says: userfaultfd allows registration on shadow stack VMAs. With userfaultfd access, you can register on the shadow stack, discard a page ... and inject a page with...

CVE-2026-68166

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: prevent registration of special VMAs Vova Tokarev says: userfaultfd allows registration on shadow stack VMAs. With userfaultfd access, you can register on the shadow stack, discard a page ... and inject a page with...

CVE-2026-68172 arm64: make huge_ptep_get handled unaligned addresses

In the Linux kernel, the following vulnerability has been resolved: arm64: make hugeptepget handled unaligned addresses hugeptepget can be handed a virtual address pointing to the middle of a contpmd/contpte mapped hugetlb folio examples of callers are pagemaphugetlbrange, pagemappedinvma. The...

EulerOS 2.0 SP15 : kernel (EulerOS-SA-2026-2889)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfnCVE-2026-31586 e1000/e1000e: Fix leak in DMA error cleanupCVE-2026-43445 futex: Clear stale...

Linux Distros Unpatched Vulnerability : CVE-2026-53154

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugetlb: restore reservation on error in hugetlb folio copy paths Two sites in mm/hugetlb.c allocate a hugetlb folio via allochugetlbfolio consuming a VMA...