PT-2026-51914

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists during Translation Lookaside Buffer TLB synchronization, which is a process used to maintain consistency between the CPU cache and the main memory page tables. Th...

Security update for xen

This update for xen fixes the following issues: CVE-2026-23554: xen: Use after free of paging structures in EPT bsc1259247, XSA-480 CVE-2026-23555: xen: Xenstored DoS by unprivileged domain bsc1259248, XSA-481 Patch Instructions: To install this SUSE update use the SUSE recommended installation...

PT-2026-52003

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the powerpc architecture's page table fragment management. The system uses pt frag refcount to track page table fragments. When pte free defer is called during madvise...

The vulnerability of the can_follow_write_pte() function (mm/gup.c) and can_follow_write_pmd() function (mm/huge_memory.c) in the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the canfollowwritepte function mm/gup.c and canfollowwritepmd function mm/hugememory.c in the Linux kernel is related to improper handling of states during memory management. Exploitation of this vulnerability could allow a remote attacker to compromise the confidentiality,...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/io-pgtable-arm: fix sizet signedness bug in unmap path armlpaeunmap returns sizet but was returning -ENOENT negative error code when encountering an unmapped PTE. Since sizet is unsigned, -ENOENT typically -2 becomes a huge...

PT-2026-30181

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.0-rc1-00116-g018018a17770 Description A flaw was discovered in the Linux kernel's mm/rmap subsystem related to the restoration of page table entries PTEs for lazyfree folios. Specifically, when batch unmappin...

The vulnerability of the hugetlb_mcopy_atomic_pte() function in the mm/hugetlb.c module of the Linux kernel’s memory-management subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the hugetlbmcopyatomicpte function in the mm/hugetlb.c module of the Linux kernel’s memory-management subsystem is related to operations that go beyond the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

UBUNTU-CVE-2026-23097

In the Linux kernel, the following vulnerability has been resolved: migrate: correct lock ordering for hugetlb file folios Syzbot has found a deadlock analyzed by Lance Yang: 1 Task 5749: Holds foliolock, then tries to acquire immaprwsemread lock. 2 Task 5754: Holds immaprwsemwrite lock, then tri...

CVE-2026-23100 mm/hugetlb: fix hugetlb_pmd_shared()

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlbpmdshared Patch series "mm/hugetlb: fixes for PMD table sharing incl. using mmugather", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I...

Azure Linux 3.0 Security Update: kernel (CVE-2025-22045)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-22045 advisory. - In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix flushtlbrange when used for...

Azure Linux 3.0 Security Update: hyperv-daemons (CVE-2024-26990)

The version of hyperv-daemons installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-26990 advisory. - In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Write-protect L2...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004121)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004121 advisory. In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as demonstrated by code in enablesacfuaccess in...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004168)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004168 advisory. An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions expanddownwards and expandupwards...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000953)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000953 advisory. The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page- table levels, which allows local users to cause a denial o...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003124)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003124 advisory. Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003187)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003187 advisory. arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003235)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003235 advisory. Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002877)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002877 advisory. The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page- table levels, which allows local users to cause a denial o...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002361)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002361 advisory. The trytounmapcluster function in mm/rmap.c in the Linux kernel before 3.14.3 does not properly consider which pages must be locked, which allows local users to caus...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/damon/vaddr: Do not repeatedly call pteoffsetmaplock until success. DAMON’s virtual address space operation implementation vaddr calls pteoffsetmaplock within the page table walk callback function. This is necessary for readin...