该楼层疑似违规已被系统折叠 隐藏此楼查看此楼
下面是完整数据&＃xff1a;
Spectre and Meltdown mitigation detection tool v0.42
Checking for vulnerabilities on current system
Kernel is Linux 4.15.0-55-generic #60-Ubuntu SMP Tue Jul 2 18:22:20 UTC 2019 x86_64
CPU is Intel(R) Core(TM) i3 CPU M 380 &＃64; 2.53GHz
Hardware check
* Hardware support (CPU microcode) for mitigation techniques
* Indirect Branch Restricted Speculation (IBRS)
* SPEC_CTRL MSR is available: YES
* CPU indicates IBRS capability: YES (SPEC_CTRL feature bit)
* Indirect Branch Prediction Barrier (IBPB)
* PRED_CMD MSR is available: YES
* CPU indicates IBPB capability: YES (SPEC_CTRL feature bit)
* Single Thread Indirect Branch Predictors (STIBP)
* SPEC_CTRL MSR is available: YES
* CPU indicates STIBP capability: YES (Intel STIBP feature bit)
* Speculative Store Bypass Disable (SSBD)
* CPU indicates SSBD capability: YES (Intel SSBD)
* L1 data cache invalidation
* FLUSH_CMD MSR is available: YES
* CPU indicates L1D flush capability: YES (L1D flush feature bit)
* Microarchitecture Data Sampling
* VERW instruction is available: NO
* Enhanced IBRS (IBRS_ALL)
* CPU indicates ARCH_CAPABILITIES MSR availability: NO
* ARCH_CAPABILITIES MSR advertises IBRS_ALL capability: NO
* CPU explicitly indicates not being vulnerable to Meltdown/L1TF (RDCL_NO): NO
* CPU explicitly indicates not being vulnerable to Variant 4 (SSB_NO): NO
* CPU/Hypervisor indicates L1D flushing is not necessary on this system: NO
* Hypervisor indicates host CPU might be vulnerable to RSB underflow (RSBA): NO
* CPU explicitly indicates not being vulnerable to Microarchitectural Data Sampling (MDS_NO): NO
* CPU supports Software Guard Extensions (SGX): NO
* CPU microcode is known to cause stability problems: NO (model 0x25 family 0x6 stepping 0x5 ucode 0x7 cpuid 0x20655)
* CPU microcode is the latest known available version: YES (latest version is 0x7 dated 2018/04/23 according to builtin MCExtractor DB v111 - 2019/05/18)
* CPU vulnerability to the speculative execution attack variants
* Vulnerable to CVE-2017-5753 (Spectre Variant 1, bounds check bypass): YES
* Vulnerable to CVE-2017-5715 (Spectre Variant 2, branch target injection): YES
* Vulnerable to CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): YES
* Vulnerable to CVE-2018-3640 (Variant 3a, rogue system register read): YES
* Vulnerable to CVE-2018-3639 (Variant 4, speculative store bypass): YES
* Vulnerable to CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): NO
* Vulnerable to CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): YES
* Vulnerable to CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): YES
* Vulnerable to CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): YES
* Vulnerable to CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): YES
* Vulnerable to CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): YES
* Vulnerable to CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): YES
CVE-2017-5753 aka &＃39;Spectre Variant 1, bounds check bypass&＃39;
* Mitigated according to the /sys interface: YES (Mitigation: __user pointer sanitization)
* Kernel has array_index_mask_nospec: YES (1 occurrence(s) found of x86 64 bits array_index_mask_nospec())
* Kernel has the Red Hat/Ubuntu patch: NO
* Kernel has mask_nospec64 (arm64): NO
> STATUS: NOT VULNERABLE (Mitigation: __user pointer sanitization)
CVE-2017-5715 aka &＃39;Spectre Variant 2, branch target injection&＃39;
* Mitigated according to the /sys interface: YES (Mitigation: Full generic retpoline, IBPB: conditional, IBRS_FW, STIBP: conditional, RSB filling)
* Mitigation 1
* Kernel is compiled with IBRS support: YES
* IBRS enabled and active: YES (for firmware code only)
* Kernel is compiled with IBPB support: YES
* IBPB enabled and active: YES
* Mitigation 2
* Kernel has branch predictor hardening (arm): NO
* Kernel compiled with retpoline option: YES
* Kernel compiled with a retpoline-aware compiler: YES (kernel reports full retpoline compilation)
> STATUS: NOT VULNERABLE (Full retpoline &＃43; IBPB are mitigating the vulnerability)
CVE-2017-5754 aka &＃39;Variant 3, Meltdown, rogue data cache load&＃39;
* Mitigated according to the /sys interface: YES (Mitigation: PTI)
* Kernel supports Page Table Isolation (PTI): YES
* PTI enabled and active: YES
* Reduced performance impact of PTI: YES (CPU supports PCID, performance impact of PTI will be reduced)
* Running as a Xen PV DomU: NO
> STATUS: NOT VULNERABLE (Mitigation: PTI)
CVE-2018-3640 aka &＃39;Variant 3a, rogue system register read&＃39;
* CPU microcode mitigates the vulnerability: YES
> STATUS: NOT VULNERABLE (your CPU microcode mitigates the vulnerability)
CVE-2018-3639 aka &＃39;Variant 4, speculative store bypass&＃39;
* Mitigated according to the /sys interface: YES (Mitigation: Speculative Store Bypass disabled via prctl and seccomp)
* Kernel supports disabling speculative store bypass (SSB): YES (found in /proc/self/status)
* SSB mitigation is enabled and active: YES (per-thread through prctl)
* SSB mitigation currently active for selected processes: YES (firefox ModemManager systemd-journald systemd-logind systemd-resolved systemd-timesyncd systemd-udevd tor)
> STATUS: NOT VULNERABLE (Mitigation: Speculative Store Bypass disabled via prctl and seccomp)
CVE-2018-3615 aka &＃39;Foreshadow (SGX), L1 terminal fault&＃39;
* CPU microcode mitigates the vulnerability: N/A
> STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2018-3620 aka &＃39;Foreshadow-NG (OS), L1 terminal fault&＃39;
* Mitigated according to the /sys interface: YES (Mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable)
* Kernel supports PTE inversion: YES (found in kernel image)
* PTE inversion enabled and active: YES
> STATUS: NOT VULNERABLE (Mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable)
CVE-2018-3646 aka &＃39;Foreshadow-NG (VMM), L1 terminal fault&＃39;
* Information from the /sys interface: Mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable
* This system is a host running a hypervisor: NO
* Mitigation 1 (KVM)
* EPT is disabled: NO
* Mitigation 2
* L1D flush is supported by kernel: YES (found flush_l1d in /proc/cpuinfo)
* L1D flush enabled: YES (conditional flushes)
* Hardware-backed L1D flush supported: YES (performance impact of the mitigation will be greatly reduced)
* Hyper-Threading (SMT) is enabled: YES
> STATUS: NOT VULNERABLE (this system is not running a hypervisor)
CVE-2018-12126 aka &＃39;Fallout, microarchitectural store buffer data sampling (MSBDS)&＃39;
* Mitigated according to the /sys interface: NO (Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable)
* Kernel supports using MD_CLEAR mitigation: YES (found md_clear implementation evidence in kernel image)
* Kernel mitigation is enabled and active: NO
* SMT is either mitigated or disabled: NO
> STATUS: VULNERABLE (Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable)
CVE-2018-12130 aka &＃39;ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)&＃39;
* Mitigated according to the /sys interface: NO (Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable)
* Kernel supports using MD_CLEAR mitigation: YES (found md_clear implementation evidence in kernel image)
* Kernel mitigation is enabled and active: NO
* SMT is either mitigated or disabled: NO
> STATUS: VULNERABLE (Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable)
CVE-2018-12127 aka &＃39;RIDL, microarchitectural load port data sampling (MLPDS)&＃39;
* Mitigated according to the /sys interface: NO (Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable)
* Kernel supports using MD_CLEAR mitigation: YES (found md_clear implementation evidence in kernel image)
* Kernel mitigation is enabled and active: NO
* SMT is either mitigated or disabled: NO
> STATUS: VULNERABLE (Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable)
CVE-2019-11091 aka &＃39;RIDL, microarchitectural data sampling uncacheable memory (MDSUM)&＃39;
* Mitigated according to the /sys interface: NO (Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable)
* Kernel supports using MD_CLEAR mitigation: YES (found md_clear implementation evidence in kernel image)
* Kernel mitigation is enabled and active: NO
* SMT is either mitigated or disabled: NO
> STATUS: VULNERABLE (Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable)
> SUMMARY: CVE-2017-5753:OK CVE-2017-5715:OK CVE-2017-5754:OK CVE-2018-3640:OK CVE-2018-3639:OK CVE-2018-3615:OK CVE-2018-3620:OK CVE-2018-3646:OK CVE-2018-12126:KO CVE-2018-12130:KO CVE-2018-12127:KO CVE-2019-11091:KO
Need more detailed information about mitigation options? Use --explain
A false sense of security is worse than no security at all, see --disclaimer
京公网安备 11010802041100号