KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE

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PT-2026-35144

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the tcf csum act function where nested VLAN headers are processed directly from skb-data when a socket buffer still contains in-payload VLAN tags. The system reads vlan-...

PT-2026-29723

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to memory management mm/mseal where the end of a Virtual Memory Area VMA was not correctly updated during a merge operation. This occurred becau...

ovmf-202602-6.1 on GA media (moderate)

ovmf-202602-6.1 on GA media Announcement ID: openSUSE-SU-2026:10467-1 Rating: moderate Cross-References: CVE-2025-2296 CVSS scores: CVE-2025-2296 SUSE : 5.2 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:L CVE-2025-2296 SUSE : 5.7 CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N Affect...

CVE-2026-23402

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM module. This vulnerability allows a host user to bypass KVM's memory management rules by overwriting critical memory structures. This can lead to a compromise of the virtual machine's memory integrity, potentially causing...

Cybersecurity Firm TAC Security Hits 10,000 Clients, Enters Top 5 in Global VM & AppSec

New York, New York, April 1st, 2026, CyberNewswire...

CVE-2026-23402

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

CVE-2026-23402 KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

CVE-2026-23401

The Linux kernel contains a vulnerability within the KVM subsystem related to x86/mmu shadow page table entry handling. Specifically, the system fails to drop/zap existing present SPTEs before installing emulated MMIO SPTEs when host userspace modifies a shadowed gPTE to switch from a memslot to ...

[SECURITY] Fedora 42 Update: xen-4.19.5-1.fc42

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

Intel Ethernet Network Adapter Driver Heap Buffer Overflow DoS

The vulnerability of the icevccfgqquanta function in the drivers/net/ethernet/intel/ice/icevirtchnl.c file of the Intel Ethernet network adapter driver for the Linux operating system is related to the execution of operations outside the buffer boundaries. Exploiting this vulnerability could allow...

SUSE-SU-2026:20988-1 Security update for gnome-online-accounts, gvfs

This update for gnome-online-accounts, gvfs fixes the following issues: Changes for gvfs: Update gvfs to 1.59.90: - CVE-2026-28295: information disclosure when processing untrusted PASV responses from FTP servers bsc1258953. - CVE-2026-28296: arbitrary FTP command injection due to unsanitized CRL...

Anritsu Remote Spectrum Monitor

RISK EVALUATION Successful exploitation of this vulnerability could allow attackers with network access to alter operational settings, obtain sensitive signal data, or disrupt device availability. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of...

[SECURITY] Fedora 44 Update: xen-4.21.1-1.fc44

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

Security and Privacy in Virtual and Robotic Assistive Systems: A Comparative Framework

Assistive technologies increasingly support independence, accessibility, and safety for older adults, people with disabilities, and individuals requiring continuous care. Two major categories are virtual assistive systems and robotic assistive systems operating in physical environments. Although...

PT-2026-51948

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/msm component where a wrong argument caused objects involved in UNMAP operations to not be consistently locked. This behavior specifically affects non- NO SHAR...

SUSE SLES15 Security Update : kernel (Live Patch 7 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:1136-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1136-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.25 fixes various security issues The following security issues were fixed: -...

CVE-2026-26352

Smoothwall Express versions prior to 3.1 Update 13 contain a stored cross-site scripting vulnerability in the /cgi-bin/vpnmain.cgi script due to improper sanitation of the VPNIP parameter. Authenticated attackers can inject arbitrary JavaScript through VPN configuration settings that executes whe...

15-Year-Old strongSwan Flaw Lets Attackers Crash VPNs via Integer Underflow

15-year-old strongSwan flaw allows attackers to crash VPNs via integer underflow bug, affecting EAP-TTLS plugin and multiple versions worldwide...

kernel: KVM: arm64: Tear down vGIC on failed vCPU creation

A use-after-free flaw was found in KVM for arm64 in the Linux Kernel, if the kvmarchvcpucreate fails to share the vCPU page with the hypervisor. This vulnerability could even lead to a kernel information leak problem...