Linux Distros Unpatched Vulnerability : CVE-2026-89904

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: Fix acpipackageids array overflow With LoongArch virt machine, a typical setting is one core per socket, there will max 256 sockets packages on one V...

Linux Distros Unpatched Vulnerability : CVE-2026-89909

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: KVM: Free init resources if kvminit fails kvmloongarchinit calls kvmloongarchenvinit to allocate the per-CPU kvmcontext vmcs and kvmloongarchops and ...

Linux Distros Unpatched Vulnerability : CVE-2026-89902

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line...

Linux Distros Unpatched Vulnerability : CVE-2026-89910

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: LoongArch: KVM: Fix uninitialized stack variable issue with dmsintc Variable vector is...

CVE-2026-89908: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Preserve memslot arch flags on KVMMRFLAGSONLY kvmarchpreparememoryregion computes new-arch.flags, i.e. whether a memslot is KVMMEMHUGEPAGECAPABLE or KVMMEMHUGEPAGEINCAPABLE, only for KVMMRCREATE and KVMMRMOVE, and...

Linux Distros Unpatched Vulnerability : CVE-2026-89906

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: BPF: Refactor jump offset calculation in tail call The old macro-based jmpoffset calculation derives the jump distance from a stale prior-pass code...

Linux Distros Unpatched Vulnerability : CVE-2026-89907

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: KVM: Validate MSI data before routing it to EIOINTC pchmsisetirq passes e-msi.data straight into eiointcsetirq as the irq number. The MSI data comes...

CVE-2026-89907: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Validate MSI data before routing it to EIOINTC pchmsisetirq passes e-msi.data straight into eiointcsetirq as the irq number. The MSI data comes from userspace, that either via a KVMIRQROUTINGMSI entry set with...

PT-2026-93550

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the LoongArch KVM implementation where resources are leaked if the kvm init function fails. The kvm loongarch init function calls kvm loongarch env init to allocate th...

CVE-2026-89904: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix acpipackageids array overflow With LoongArch virt machine, a typical setting is one core per socket, there will max 256 sockets packages on one VM. With PPTT acpi table, array acpipackageids will be overflowed. Her...

PT-2026-93549

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the LoongArch KVM implementation where the kvm arch prepare memory region function fails to preserve architecture-specific flags during a KVM MR FLAGS ONLY update...

CVE-2026-89902: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

CVE-2026-89909: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Free init resources if kvminit fails kvmloongarchinit calls kvmloongarchenvinit to allocate the per-CPU kvmcontext vmcs and kvmloongarchops and to register the perf callbacks, and then calls kvminit. If kvminit...

CVE-2026-89910: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix uninitialized stack variable issue with dmsintc Variable vector is declared on stack in function dmsintcinjectirq and sometimes it is used without initialized. Here fix this issue...

PT-2026-93545

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An array overflow occurs in the acpi package ids array when using a LoongArch virtual machine. This issue is triggered by the PPTT ACPI table in configurations where there is one core pe...

CVE-2026-89903: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Do not save/restore percpu base register in rethook trampoline The rethook trampoline saves $r21 $u0, the percpu base, into its frame at entry and restores it at exit. Inbetween rethooktrampolinehandler may schedule vi...

PT-2026-93544

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.3 and later Description An issue exists in the LoongArch architecture where the rethook trampoline incorrectly saves and restores the $r21 $u0 register, which serves as the percpu base. When rethook trampoline handler...

PT-2026-93543

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the LoongArch architecture where the do bp function can reach kprobe singlestep handler even when no active probe is present, because userspace can issue the same brea...

Linux Distros Unpatched Vulnerability : CVE-2026-89903

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: Do not save/restore percpu base register in rethook trampoline The rethook trampoline saves $r21 $u0, the percpu base, into its frame at entry and...

Linux Distros Unpatched Vulnerability : CVE-2026-89908

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: KVM: Preserve memslot arch flags on KVMMRFLAGSONLY kvmarchpreparememoryregion computes new-arch.flags, i.e. whether a memslot is KVMMEMHUGEPAGECAPABL...