PT-2026-93569

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM x86 MMU where the kvm rmap lock function elides the rmap lock when an empty rmap is observed. The kvm rmap age gfn range function ignores the returned value an...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mmmremap.c: Avoid unnecessary calls to invalidrangestart/invalidaterangeend when using mremap with oldsize=0. If the mremap system call with oldsize=0 ends up in movepagetables, it will unnecessarily call...

SUSE CVE-2026-80726

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: WARN and clear role.invalid when creating a child shadow page Explicitly clear role.invalid when deriving a child shadow page's role from its parent to harden against bugs elsewhere in KVM, as violating KVM's...

Rocky Linux security update in Brocade ASCG 3.4.0c (CVE-2025-68724, CVE-2026-23401, CVE-2026-31402, CVE-2025-40252)

CVE-2025-68724- Title: crypto: asymmetrickeys - prevent overflow in asymmetrickeygenerateid Description In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetrickeys - prevent overflow in asymmetrickeygenerateid Use checkaddoverflow to guard against potential integer...

kernel security update

4.18.0-553.123.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

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 20.1070a Security Update: kernel (UTSA-2025-990426)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990426 advisory. In the Linux kernel, the following vulnerability has been resolved: mmmremap.c: avoid pointless invalidaterangestart/end on mremapoldsize=0 If an mremap syscall with...

CVE-2021-47639

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

SUSE CVE-2021-38198

arch/x86/kvm/mmu/pagingtmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault...

PT-2022-37969

Уязвимость функции paging64 cmpxchg gpte модуля arch/x86/kvm/mmu/paging tmpl.h подсистемы виртуализации на платформе x86 ядра операционной системы Linux связана с использованием недостаточно случайных значений. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

PT-2021-27031

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.7 Description The issue concerns the KVM MMU shadow nested paging, which lacks PKU. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions prior to...

Linux kernel denial-of-service vulnerability (CNVD-2021-60514)

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. Linux kernel is vulnerable due to a failure to properly access permissions flaw in the shadow page in arch/x86/kvm/mmu/pagingtmpl.h. By sending a build request, a local attacker could exploit this flaw t...

CVE-2021-38198: Undefined Security Weakness

arch/x86/kvm/mmu/pagingtmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault...

kernel security and bug fix update

2.6.32-358.14.1 - x86 apic: Add probe for apicflat Prarit Bhargava 975086 953342 2.6.32-358.13.1 - wireless b43: stop format string leaking into error msgs John Linville 971387 971389 CVE-2013-2852 - pci make sriov work with hotplug remove Takahiro MUNEDA 973555 965002 - net rtnl: fix info leak o...