Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - 在 Linux 核心中，已解決下列弱點： kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed. Worse, such an access in kvm_lapic_reg_read can result in a leak of kernel stack contents. Prior to commit 01402cf81051 (kvm: LAPIC: write down valid APIC registers), such an access was explicitly disallowed. Restore the guard that was removed in that commit. (CVE-2021-47255)

請注意，Nessus 依賴供應商報告的套件存在。

偵測

Linux Distros 未修補弱點：CVE-2021-47255

high Nessus Plugin ID 230157

版本 1.21