Unbreakable Enterprise kernel security update

5.15.0-322.203.3.2 - KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level Sean Christopherson Orabug: 39673886 - KVM: x86: Fix shadow paging use-after-free due to unexpected role Paolo Bonzini Orabug: 39673886 - KVM: x86: Fix shadow paging use-after-free due to unexpected...

EUVD-2026-40988

In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Mitigate TLBI errata on various Arm CPUs A number of CPUs developed by Arm suffer from errata whereby a broadcast TLBI;DSB sequence may complete before the global observation of writes which are translated by an...

Linux Distros Unpatched Vulnerability : CVE-2026-53020

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since fu...

Linux Distros Unpatched Vulnerability : CVE-2026-53201

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Revert drm/xe: Skip exec queue schedule toggle if queue is idle during suspend This reverts commit 8533051ce92015e9cc6f75e0d52119b9d91610b6. The idle-skip...

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...

CVE-2026-53057

In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: Add IOTINVAL after updating DDT/PDT entries Add riscviommuiodiriotinval to perform required TLB and context cache invalidations after updating DDT or PDT entries, as mandated by the RISC-V IOMMU specification Section...

EUVD-2026-38925

In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: Add IOTINVAL after updating DDT/PDT entries Add riscviommuiodiriotinval to perform required TLB and context cache invalidations after updating DDT or PDT entries, as mandated by the RISC-V IOMMU specification Section...

CVE-2026-53057 iommu/riscv: Add IOTINVAL after updating DDT/PDT entries

In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: Add IOTINVAL after updating DDT/PDT entries Add riscviommuiodiriotinval to perform required TLB and context cache invalidations after updating DDT or PDT entries, as mandated by the RISC-V IOMMU specification Section...

CVE-2026-53020 um: Fix potential race condition in TLB sync

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

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...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mm/hugetlb: fixed hugetlbpmdshared. The patch series “mm/hugetlb: fixes for PMD table sharing including using mmugather”, version 3. One functional fix, one performance regression fix, and two related comment fixes. I updated ...

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...

UBUNTU-CVE-2026-45894

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down 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 64-byte structure...

CVE-2026-46076 KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 Explicitly synthesize a UD for VMMCALL if L2 is active, L1 does NOT want to intercept VMMCALL, nestedsvml2tlbflushenabled is true, and the hypercall is something...

CLSA-2026-1779434490 kernel: Fix of 100 CVEs

tracing: Verify event formats that have "%p.." CVE-2025-37938 - HID: pidff: Fix null pointer dereference in pidfffindfields CVE-2025-37862 - scsi: st: Fix array overflow in stsetup CVE-2025-37857 - drm/amdkfd: debugfs hanghws skip GPU with MES CVE-2025-37853 - mm/vmscan: don't try to reclaim...