1113 matches found
CVE-2025-39754 mm/smaps: fix race between smaps_hugetlb_range and migration
In the Linux kernel, the following vulnerability has been resolved: mm/smaps: fix race between smapshugetlbrange and migration smapshugetlbrange handles the pte without holdling ptl, and may be concurrenct with migration, leaing to BUGON in pfnswapentrytopage. The race is as follows...
kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...
PT-2025-37213
Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A race condition exists between smaps hugetlb range and page migration within the kernel’s memory management subsystem. Specifically, smaps hugetlb range accesses page table entries pt...
kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...
SUSE CVE-2025-58142
This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. There are multiple issues related to the handling and accessing of guest memory pages in the viridian code: 1. A NULL pointer dereference in the updating of the reference...
DEBIAN-CVE-2025-39699
In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: prevent NULL deref in iovatophys The riscviommuptefetch function returns either NULL for unmapped/never-mapped iova, or a valid leaf pte pointer that requires no further validation. riscviommuiovatophys failed to...
UBUNTU-CVE-2025-39699
In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: prevent NULL deref in iovatophys The riscviommuptefetch function returns either NULL for unmapped/never-mapped iova, or a valid leaf pte pointer that requires no further validation. riscviommuiovatophys failed to...
PT-2025-36319
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue within the shrink folio list function related to handling hardware-poisoned large folios. Specifically, the function fails to correctly handle large...
SUSE CVE-2025-38681
In the Linux kernel, the following vulnerability has been resolved: mm/ptdump: take the memory hotplug lock inside ptdumpwalkpgd Memory hot remove unmaps and tears down various kernel page table regions as required. The ptdump code can race with concurrent modifications of the kernel page tables...
CVE-2025-38681
CVE-2025-38681 affects the Linux kernel mm/ptdump code. The issue arises when memory hotplug modifications race with ptdump_walk_pgd() and intermediate page-table frees, causing the ptdump code to dereference freed memory and potentially crash or corrupt data. The fix moves the memory hotplug loc...
mm: clear uffd-wp PTE/PMD state on mremap()
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A flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems.
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kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...
ShieldMMU: Detecting and Defending against Controlled-Channel Attacks in Shielding Memory System
Intel SGX and hypervisors isolate non-privileged programs from other software, ensuring confidentiality and integrity. However, side-channel attacks continue to threaten Intel SGX's security, enabling malicious OS to manipulate PTE present bits, induce page faults, and steal memory access traces...
mm: fix uprobe pte be overwritten when expanding vma
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kernel: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page-mapping in hugetlbmcopyatomicpte In MCOPYATOMICCONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepageaddnewanonrmap is called for them mistakenly...
Linux Distros Unpatched Vulnerability : CVE-2020-27670
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain...
Linux Distros Unpatched Vulnerability : CVE-2020-15565
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.13.x, allowing x86 Intel HVM guest OS users to cause a host OS denial of service or possibly gain privileges because of...
PT-2025-37956
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s drm/xe/vm subsystem. The issue involves a potential dereference of an error pointer during cleanup in the xe vm free scratch function. Clearing any...
Linux Distros Unpatched Vulnerability : CVE-2025-38207
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: fix uprobe pte be overwritten when expanding vma Patch series Fix uprobe pte be overwritten when expanding vma. This patch of 4: We encountered a BUG alert...