Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002561)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002561 advisory. The loadsegmentdescriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a MOV SS, NULL selector instruction, which...

arch/x86 kernel Data Compromise

The vulnerability of the arch/x86 kernel component of the Linux operating system is related to resource leaks. Exploiting this vulnerability allows an attacker to gain access to confidential data...

Linux x86 FPU Signal Heap Buffer Overflow DoS

The vulnerability of the fpurestoresig function in the arch/x86/kernel/fpu/signal.c module on the x86 kernel of the Linux operating system is related to security configuration errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2023-53474: Integer Overflow or Wraparound

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Use an u64 for bankmap Thee maximum number of MCA banks is 64 MAXNRBANKS, see a0bc32b3cacf "x86/mce: Increase maximum number of banks to 64". However, the bankmap which contains a bitfield of which banks to initializ...

kernel: x86: fix user address masking non-canonical speculation issue

A flaw was found in the Linux kernel's handling of user address masking on x86 architectures. This vulnerability, similar to "Meltdown Lite," allows for speculative execution a CPU optimization technique to be exploited due to incorrect handling of non-canonical memory accesses in kernel space. A...

arch/x86 kernel Data Compromise

The vulnerability of the arch/x86 kernel component of the Linux operating system is related to the exposure of information through mismatches. Exploiting this vulnerability can allow an attacker to gain access to confidential data...

SUSE CVE-2025-38033

In the Linux kernel, the following vulnerability has been resolved: x86/Kconfig: make CFIAUTODEFAULT depend on !RUST or Rust = 1.88 Calling core::fmt::write from rust code while FineIBT is enabled results in a kernel panic: 4614.199779 kernel BUG at arch/x86/kernel/cet.c:132! 4614.205343 Oops:...

kernel: x86: fix user address masking non-canonical speculation issue

A flaw was found in the Linux kernel's handling of user address masking on x86 architectures. This vulnerability, similar to "Meltdown Lite," allows for speculative execution a CPU optimization technique to be exploited due to incorrect handling of non-canonical memory accesses in kernel space. A...

Linux KVM TDP MMU Put Root Heap Buffer Overflow DoS

The vulnerability of the kvmtdpmmuputroot function in the arch/x86/kvm/mmu/tdpmmu.c module of the virtualization subsystem on the x86 kernel of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromis...

Linux Distros Unpatched Vulnerability : CVE-2024-42240

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: x86/bhi: Avoid warning in DB handler due to BHI mitigation When BHI mitigation is enabled, ...

DEBIAN-CVE-2022-49546

In the Linux kernel, the following vulnerability has been resolved: x86/kexec: fix memory leak of elf header buffer This is reported by kmemleak detector: unreferenced object 0xffffc900002a9000 size 4096: comm "kexec", pid 14950, jiffies 4295110793 age 373.951s hex dump first 32 bytes: 7f 45 4c 4...

CVE-2024-53111 mm/mremap: fix address wraparound in move_page_tables()

In the Linux kernel, the following vulnerability has been resolved: mm/mremap: fix address wraparound in movepagetables On 32-bit platforms, it is possible for the expression len + oldaddr include include include define ADDR1 void0x60000000 define ADDR2 void0x10000000 define SIZE 0x50000000uL int...

CVE-2024-42240

In the Linux kernel, the following vulnerability has been resolved: x86/bhi: Avoid warning in DB handler due to BHI mitigation When BHI mitigation is enabled, if SYSENTER is invoked with the TF flag set then entrySYSENTERcompat uses CLEARBRANCHHISTORY and calls the clearbhbloop before the TF flag...

DEBIAN-CVE-2021-4440

In the Linux kernel, the following vulnerability has been resolved: x86/xen: Drop USERGSSYSRET64 paravirt call commit afd30525a659ac0ae0904f0cb4a2ca75522c3123 upstream. USERGSSYSRET64 is used to return from a syscall via SYSRET, but a Xen PV guest will nevertheless use the IRET hypercall, as ther...

Kernel: x86/mm: a per-cpu entry area leak was identified through the init_cea_offsets function when prefetchnta and prefetcht2 instructions being used for the per-cpu entry area mapping to the user space

A possible unauthorized memory access flaw was found in the Linux kernel's cpuentryarea mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implement...

PT-2023-36602

Уязвимость функции crash load segments модуля arch/x86/kernel/crash.c поддержки платформы x86 ядра операционной системы Linux связана с повторным освобождением ранее освобожденной памяти. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

PT-2022-37963

Уязвимость функции fpu alloc guest fpstate модуля arch/x86/kernel/fpu/core.c поддержки платформы x86 ядра операционной системы Linux связана с чтением за границами буфера. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

Fedora 28 : xen (2019-bce6498890)

xen: various flaws 1685577 grant table transfer issues on large hosts XSA-284 race with pass-through device hotplug XSA-285 x86: stealpage violates pagestruct access discipline XSA-287 x86: Inconsistent PV IOMMU discipline XSA-288 missing preemption in x86 PV page table unvalidation XSA-290 x86/P...

PT-2018-3624

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.18.1 Description The issue is related to the mishandling of certain indirect calls in the arch/x86/kernel/paravirt.c file, making it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests...

CVE-2018-15594: Exposure of Sensitive Information to an Unauthorized Actor

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests...