Linux Kernel DoS

The vulnerability in the arch/x86/kvm/x86.c module and arch/x86/kernel/fpu/core.c modules of the Linux operating system is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

Ubuntu: Security Advisory (USN-7988-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

AZL-77175 CVE-2026-23005 affecting package kernel for versions less than 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled features in the saved or to be restored XSTATEBV...

UBUNTU-CVE-2026-23005

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled features in the saved or to be restored XSTATEBV...

CVE-2026-23005

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled features in the saved or to be restored XSTATEBV...

CVE-2026-23005 x86/fpu: Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled features in the saved or to be restored XSTATEBV...

CVE-2026-23005 x86/fpu: Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled features in the saved or to be restored XSTATEBV...

CVE-2026-23005 x86/fpu: Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled features in the saved or to be restored XSTATEBV...

CVE-2026-23005

CVE-2026-23005 is a Linux kernel issue where XSTATE_BV bits for features disabled by XFD can be out of sync with XFD during guest XSAVE/XRSTOR handling. The fix clears XSTATE_BV[i] when XFD[i]=1 during KVM_SET_XSAVE loading of guest state and related WRMSR updates, preventing XRSTOR from #NM and ...

CVE-2026-23005: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled features in the saved or to be restored XSTATEBV...

Linux Distros Unpatched Vulnerability : CVE-2026-23005

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR...

SUSE CVE-2025-71155

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmaphelperzaponepage again A few checks were missing in gmaphelperzaponepage, which can lead to memory corruption in the guest under specific circumstances. Add the missing checks...

SUSE SLES15 Security Update : kernel (SUSE-SU-2026:0278-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0278-1 advisory. The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-3832...

SUSE-SU-2026:0281-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 Azure kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38321: smb: Log an error when closeallcacheddirs fails bsc1246328. - CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd bsc1249256. -...

CVE-2025-71155 KVM: s390: Fix gmap_helper_zap_one_page() again

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmaphelperzaponepage again A few checks were missing in gmaphelperzaponepage, which can lead to memory corruption in the guest under specific circumstances. Add the missing checks...

CVE-2025-71155: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmaphelperzaponepage again A few checks were missing in gmaphelperzaponepage, which can lead to memory corruption in the guest under specific circumstances. Add the missing checks...

EUVD-2022-54676

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak For some sev ioctl interfaces, the length parameter that is passed maybe less than or equal to SEVFWBLOBMAXSIZE, but larger than the data that PSP firmwar...

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...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21839)

The version of kernel 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-2025-21839 advisory. - In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Load DR6 with guest value only...