kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000499)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000499 advisory. A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabl...

Security Parameter Analysis of the LINEture Post-Quantum Digital Signature Scheme

This paper presents a comprehensive cryptographic analysis of the security parameters of the LINEture post-quantum digital signature scheme, which is constructed using matrix algebra over elementary abelian 2-groups. We investigate the influence of three principal parameters. First, the word size...

Exploit for Use After Free in Apple Safari

CVE-2025-43529 TL; DR Apple recently shipped iOS 26.2 and...

PT-2026-20425

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to memory management during System Management Unit SMU Mode 1 reset. During the reset cycle, the Application Specific Integrated Circuit ASIC...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992932)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992932 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/i915/active: Fix misuse of non-idle barriers as fence trackers Users reported oopses on list...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992266)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992266 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/i915/active: Fix misuse of non-idle barriers as fence trackers Users reported oopses on list...

When Risk Is Fragmented, Strategy Suffers

Risk fragmentation remains one of the most overlooked barriers to effective business performance. It doesn’t show up all…...

UBUNTU-CVE-2023-53998

In the Linux kernel, the following vulnerability has been resolved: hwrng: virtio - Fix race on dataavail and actual data The virtio rng device kicks off a new entropy request whenever the data available reaches zero. When a new request occurs at the end of a read operation, that is, when the...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

RLSA-2025:19932 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: x86/vmscape: Add conditional IBPB mitigation CVE-2025-40300 kernel: mm: fix zswap writeback race condition CVE-2023-53178 kernel:...

RLSA-2025:19931 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: x86/vmscape: Add conditional IBPB mitigation CVE-2025-40300 kernel: mm: fix zswap writeback race condition CVE-2023-53178 kernel: fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-50367 For...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a lack of a memory barrier in the switchmmirqsoff function, which could lead to a TLB refresh failure...

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,...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: x86/vmscape: Add conditional IBPB mitigation CVE-2025-40300 kernel: mm: fix zswap writeback race condition CVE-2023-53178 kernel: fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-50367 For...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990430)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990430 advisory. In the Linux kernel, the following vulnerability has been resolved: PCI/PM: Drain runtime-idle callbacks before driver removal A race condition between the...