Linux kernel Heap Buffer Overflow DoS

The vulnerability of the pgshiftleveltottl function in the arch/arm64/kvm/nested.c file of Linux operating systems is related to integer overflow. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

ARM virtualization subsystem Kernel Buffer Overflow DoS

The vulnerability of the vgicitsrestoredte function in the arch/arm64/kvm/vgic/vgic-its.c module of the ARM 64-bit kernel-based Linux operating system involves the execution of operations outside the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to access...

RockyLinux 9 : kernel (RLSA-2026:36018)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:36018 advisory. kernel: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath CVE-2026-43112 kernel: net: mana: Fix double destroyworkqueue on service rescan PCI...

Important: kernel-livepatch-6.18.33-63.124

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.12.83-115.161

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.12.79-101.147

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

CVE-2025-36920

In hypalloc of arch/arm64/kvm/hyp/nvhe/alloc.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2025-36920: Improper Input Validation

In hypalloc of arch/arm64/kvm/hyp/nvhe/alloc.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2025-40266 KVM: arm64: Check the untrusted offset in FF-A memory share

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Check the untrusted offset in FF-A memory share Verify the offset to prevent OOB access in the hypervisor FF-A buffer in case an untrusted large enough value U32MAX - sizeofstruct ffacompositememregion + 1, U32MAX is...

PT-2025-55050

Уязвимость функции kvm arch vcpu ioctl модуля arch/arm64/kvm/arm.c подсистемы виртуализации на платформе ARM 64бит ядра операционной системы Linux связана с доступом к неинициализированному указателю. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

Linux Kernel DoS

The vulnerability in the arch/arm64/kvm/sys regs.c component of the Linux operating system is related to reading data from buffer fields beyond their allowable limits. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2024-50139 KVM: arm64: Fix shift-out-of-bounds bug

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix shift-out-of-bounds bug Fix a shift-out-of-bounds bug reported by UBSAN when running VM with MTE enabled host kernel. UBSAN: shift-out-of-bounds in arch/arm64/kvm/sysregs.c:1988:14 shift exponent 33 is too large f...

PT-2024-33970

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.61 Description: A shift-out-of-bounds bug has been reported in the Linux kernel when running a VM with MTE enabled host kernel. The bug occurs in the arch/arm64/kvm/sys regs.c file at line 1988, where a shif...

CVE-2021-47341

In the Linux kernel, the following vulnerability has been resolved: KVM: mmio: Fix use-after-free Read in kvmvmioctlunregistercoalescedmmio BUG: KASAN: use-after-free in kvmvmioctlunregistercoalescedmmio+0x7c/0x1ec arch/arm64/kvm/../../../virt/kvm/coalescedmmio.c:183 Read of size 8 at addr...

USN-6383-1: Linux kernel vulnerabilities

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. CVE-2023-20588 It was discovered...

CVE-2018-18021: Improper Input Validation

arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVMSETONREG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control with full register control. An attacker ca...

PT-2018-3623

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.18.12 on the arm64 platform Description The issue is related to the KVM subsystem in the Linux kernel, specifically in the arch/arm64/kvm/guest.c file. It is caused by insufficient restrictions on userspace...

CVE-2017-12168

The accesspmuevcntr function in arch/arm64/kvm/sysregs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service assertion failure and host OS crash by accessing the Performance Monitors Cycle Count Register PMCCNTR...

CVE-2017-12168: Reachable Assertion

The accesspmuevcntr function in arch/arm64/kvm/sysregs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service assertion failure and host OS crash by accessing the Performance Monitors Cycle Count Register PMCCNTR...