CVE-2026-31561

A flaw was found in the Linux kernel's handling of the CR4 pinned bits mask for FRED Flexible Return and Event Delivery. An attacker could exploit this by modifying a specific bit in memory to disable CR4 pinning, potentially leading to a system crash. This vulnerability could result in a Denial ...

DEBIAN-CVE-2026-31561

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

CVE-2026-31561

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

CVE-2026-31561

CVE-2026-31561 affects the Linux kernel: the fix removes the X86_CR4_FRED bit from the CR4 pinning mask to avoid a boot-time window where exceptions cannot be handled. The vulnerability is detailed as a problem where FRED was temporarily disabled during AP boot, which could let an attacker modify...

EUVD-2026-25454

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

CVE-2026-31561

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

CVE-2026-31561 x86/cpu: Remove X86_CR4_FRED from the CR4 pinned bits mask

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the inclusion of FRED CR4 bits within the CR4 fixed bit mask. This causes an abnormal inability t...

Linux Distros Unpatched Vulnerability : CVE-2026-31561

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002284)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002284 advisory. arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the...

EUVD-2019-7758

Malware in sbrugna...

EUVD-2007-5877

Malware in sbrugna...

EUVD-2023-34873

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2019-17347

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its...

CVE-2024-46721

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix possible NULL pointer dereference profile-parent-dentsAAFSPROFDIR could be NULL only if its parent is made from createmissingancestors.. and 'ent-old' is NULL in aareplaceprofiles... In that case, it must return an...

CVE-2024-43899

A NULL pointer dereference vulnerability was found in dcn20getdcccompressioncap function in the dcn20resource.c file in the AMD GPU driver in the Linux Kernel. This issue could allow an attacker to make the system hang when using the mpv media player with specific hardware acceleration options...

CVE-2024-43899

CVE-2024-43899 affects the Linux kernel’s DRM AMD display path. The vulnerability is a NULL pointer dereference in dcn20_resource.c that can cause a hang when MPV runs on a DCN401 dGPU, specifically during fullscreen playback after enabling fullscreen (double click). Affected component/function c...

CVE-2023-52889 apparmor: Fix null pointer deref when receiving skb during sock creation

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix null pointer deref when receiving skb during sock creation The panic below is observed when receiving ICMP packets with secmark set while an ICMP raw socket is being created. SKCTXsk-label is updated in...

Important: kernel

Issue Overview: kernel: Type confusion in picknextrtentity, which can result in memory corruption. CVE-2023-1077 An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x8664 lacks consistency checks for CR0 and CR4. CVE-2023-30456 In the Linux kernel, the...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2024-070 (ALASKERNEL-5.4-2024-070)

The version of kernel installed on the remote host is prior to 5.4.238-148.347. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2024-070 advisory. An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x8664 lacks...