CVE-2026-63875

CVE-2026-63875 (arm64 Linux kernel) : The issue occurs during unsharing PMD tables in huge_pmd_unshare(), where tlb_unshare_pmd_ptdesc() sets tlb->unshared_tables=true but aarch64 tlb_flush() only checked tlb->freed_tables. This mismatch allowed stale PMD entries to remain in the walk cache...

SUSE CVE-2026-53201

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend" This reverts commit 8533051ce92015e9cc6f75e0d52119b9d91610b6. The idle-skip optimization bypasses GuC suspend, so the GPU may not perform the contex...

CVE-2026-53201

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend" This reverts commit 8533051ce92015e9cc6f75e0d52119b9d91610b6. The idle-skip optimization bypasses GuC suspend, so the GPU may not perform the contex...

UBUNTU-CVE-2026-53201

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend" This reverts commit 8533051ce92015e9cc6f75e0d52119b9d91610b6. The idle-skip optimization bypasses GuC suspend, so the GPU may not perform the contex...

CVE-2026-53201 Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend"

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend" This reverts commit 8533051ce92015e9cc6f75e0d52119b9d91610b6. The idle-skip optimization bypasses GuC suspend, so the GPU may not perform the contex...

CVE-2026-53201 Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend"

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend" This reverts commit 8533051ce92015e9cc6f75e0d52119b9d91610b6. The idle-skip optimization bypasses GuC suspend, so the GPU may not perform the contex...

PT-2026-52297

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where an idle-skip optimization bypasses GuC suspend, preventing the GPU from performing the context switch required to flush Translation Lookaside Buffer TLB entries for...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clearing the “Present” bit before tearing down the PASID entry The Intel VT-d Scalable Mode PASID table entry consists of 512 bits 64 bytes. When tearing down an entry, the current implementation zeros the entire...

CVE-2026-43258

In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV, glibc allocator failures e.g...

MiracleLinux 9 : kernel-5.14.0-162.12.1.el9_1 (AXSA:2023-4976:04)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-4976:04 advisory. kernel: watch queue race condition can lead to privilege escalation CVE-2022-2959 kernel: memory corruption in AX88179178A based USB ethernet device...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004783)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004783 advisory. An incorrect TLB flush issue was found in the Linux kernels GPU i915 kernel driver, potentially leading to random memory corruption or data leaks. This flaw could...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003980)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003980 advisory. An incorrect TLB flush issue was found in the Linux kernels GPU i915 kernel driver, potentially leading to random memory corruption or data leaks. This flaw could...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001663)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001663 advisory. Since Linux kernel version 3.2, the mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the...

UBUNTU-CVE-2025-68179

In the Linux kernel, the following vulnerability has been resolved: s390: Disable ARCHWANTOPTIMIZEHUGETLBVMEMMAP As reported by Luiz Capitulino enabling HVO on s390 leads to reproducible crashes. The problem is that kernel page tables are modified without flushing corresponding TLB entries. Even ...

CVE-2025-68179 s390: Disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP

In the Linux kernel, the following vulnerability has been resolved: s390: Disable ARCHWANTOPTIMIZEHUGETLBVMEMMAP As reported by Luiz Capitulino enabling HVO on s390 leads to reproducible crashes. The problem is that kernel page tables are modified without flushing corresponding TLB entries. Even ...

kernel: KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush In KVM guests with Hyper-V hypercalls enabled, the hypercalls HVCALLFLUSHVIRTUALADDRESSLIST and HVCALLFLUSHVIRTUALADDRESSLISTEX allow a guest to request...

UBUNTU-CVE-2025-40174

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix SMP ordering in switchmmirqsoff Stephen noted that it is possible to not have an smpmb between the loadedmm store and the tlbgen load in switchmm, meaning the ordering against flushtlbmmrange goes out the window, and ...

CVE-2025-40174 x86/mm: Fix SMP ordering in switch_mm_irqs_off()

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix SMP ordering in switchmmirqsoff Stephen noted that it is possible to not have an smpmb between the loadedmm store and the tlbgen load in switchmm, meaning the ordering against flushtlbmmrange goes out the window, and ...

Linux Distros Unpatched Vulnerability : CVE-2025-40174

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/mm: Fix SMP ordering in switchmmirqsoff Stephen noted that it is possible to not have an smpmb between the loadedmm store and the tlbgen load in switchmm,...

SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2025:3751-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3751-1 advisory. The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were...