CVE-2022-49760

CVE-2022-49760 concerns Linux kernel mm/hugetlb PTE marker handling in hugetlb_change_protection. The connected documents corroborate a two-patch series described as mm/hugetlb: uffd-wp fixes for hugetlb_change_protection(), aimed at correct handling of uffd-wp PTE markers to avoid corruption of ...

SUSE-SU-2025:20164-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. - CVE-2023-52920: bpf: support non-r10 register spill/fill to/from stack in precision tracking...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from hugetlbchangeprotection not properly handling PTE flags...

PT-2025-14330

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0-rc2+ 241 Description A vulnerability in the Linux kernel has been resolved, related to the LoongArch architecture. The issue arises when the base address allocated from hugetlbfs is not aligned with the pm...

Linux Distros Unpatched Vulnerability : CVE-2024-50199

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/swapfile: skip HugeTLB pages for unusevma I got a bad pud error and lost a 1GB HugeTLB when calling swapoff. The problem can be reproduced by the following...

Linux Distros Unpatched Vulnerability : CVE-2024-26688

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb...

Linux Distros Unpatched Vulnerability : CVE-2024-36000

"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 missing hugetlblock for resv uncharge There is a recent report on UFFDIOCOPY over hugetlb:...

VulnCheck KEV: CVE-2024-26987

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix deadlock when hugetlboptimizevmemmap is enabled When I did hard offline test with hugetlb pages, below deadlock occurs: ====================================================== WARNING: possible circular...

DEBIAN-CVE-2025-21696

In the Linux kernel, the following vulnerability has been resolved: mm: clear uffd-wp PTE/PMD state on mremap When mremaping a memory region previously registered with userfaultfd as write-protected but without UFFDFEATUREEVENTREMAP, an inconsistency in flag clearing leads to a mismatch between t...

UBUNTU-CVE-2025-21696

In the Linux kernel, the following vulnerability has been resolved: mm: clear uffd-wp PTE/PMD state on mremap When mremaping a memory region previously registered with userfaultfd as write-protected but without UFFDFEATUREEVENTREMAP, an inconsistency in flag clearing leads to a mismatch between t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: A missing hugetlblock issue has been fixed for resv uncharge. There is a recent report regarding UFFDIOCOPY over hugetlb: https://loreKernel.org/all/[email protected]/ Line 350:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/inode: Prevent dumpmapping from accessing invalid dentry.dname.name It has been observed that a crash occurs during the hot removal of a memory device, in which the user is accessing hugetlb. See the call trace as follows:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: HugeTLB pages are skipped for unusevma. I encountered a “bad pud” error and lost 1GB of HugeTLB when calling swapoff. The problem can be reproduced using the following steps: 1. Allocate an anonymous 1GB HugeTLB and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mm/hugetlb: fixed DEBUGLOCKSWARNON1 when dissolvefreehugetlbfolio When I conducted memory failure tests recently, the following warning occurred: DEBUGLOCKSWARNON1 WARNING: CPU: 8 PID: 1011 at kernel/locking/lockdep.c:232...

OESA-2025-1065 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: skip HugeTLB pages for unusevma I got a bad pud error and lost a 1GB HugeTLB when calling swapoff. The problem can be reproduced by the following...

SUSE CVE-2024-57883

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...

CVE-2024-57883

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...

CVE-2024-57883

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...

UBUNTU-CVE-2024-57883

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...

CVE-2024-57883 mm: hugetlb: independent PMD page table shared count

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...