RLSA-2026:54443 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: accel/ivpu: Fix signed integer truncation in IPC receive CVE-2026-53202 kernel: net/sched: actapi: use RCU with deferred freeing for action lifecycle CVE-2026-53264 Bug Fixes and...

RockyLinux 9 : kernel (RLSA-2026:54443)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:54443 advisory. kernel: accel/ivpu: Fix signed integer truncation in IPC receive CVE-2026-53202 kernel: net/sched: actapi: use RCU with deferred freeing for action...

SUSE-SU-2026:3616-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2022-4994: KVM: x86: wean fast IN from emulatorpioin bsc1273097. - CVE-2023-53995: net: ipv4: fix one memleak in inetdelifa bsc1255616. - CVE-2026-46052: ceph: on...

CVE-2026-68454

A flaw was found in the KVM Kernel-based Virtual Machine subsystem of the Linux kernel, affecting the s390 PCI implementation. When a guest operating system registers interrupt requests IRQs without a specific summary bit, the system incorrectly stores an invalid memory address. This improper...

CVE-2026-68454

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of...

UBUNTU-CVE-2026-68454

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of...

CVE-2026-68454 KVM: s390: pci: Fix handling of AIF enable without AISB

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of...

EUVD-2026-57923

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of...

CVE-2026-68454 KVM: s390: pci: Fix handling of AIF enable without AISB

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of...

CVE-2026-68454

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of...

PT-2026-71616

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of virt to physpage...

Linux Distros Unpatched Vulnerability : CVE-2026-68454

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE th...

kernel security, bug fix, and enhancement update

5.14.0-687.39.1 - Disable UKI signing Orabug: 36571828 - 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:...

kernel security, bug fix, and enhancement update

6.12.0-211.47.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - 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...

CVE-2026-68454

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of...

SUSE CVE-2026-68093

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Bump asidgeneration on CPU online to avoid ASID collision after hotplug If a vCPU stays scheduled out or blocked while the last pCPU it ran on goes through a hotplug cycle online-offline-online, and the vCPU then resume...

SUSE CVE-2026-68428

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Fix use-after-free on vendor module reload mmudestroycaches destroys ptelistdesccache and mmupageheadercache, but leaves both pointers unchanged. The pointers live in kvm.ko, and therefore survive when a vendor modu...

CVE-2026-68093

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine. When a virtual CPU vCPU is scheduled out and its physical CPU pCPU undergoes a hotplug cycle offline and then online, the vCPU might resume with an Address Space Identifier ASID that has been reassigned to another vCPU from ...

CVE-2026-68428

A flaw was found in the KVM Kernel-based Virtual Machine component of the Linux kernel. A local attacker with privileges to load and unload kernel modules could exploit a use-after-free vulnerability. This occurs when a vendor module is unloaded while the KVM module remains loaded, and a subseque...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500162)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500162 advisory. - KVM: x86: Check for invalid/obsolete root after making MMU pages available Sean Christopherson Orabug: 39832946 CVE-2026-64561 - x86/bugs: Make...