::
- Spectre and Meltdown mitigation detection tool v0.43
+ Spectre and Meltdown mitigation detection tool v0.44+
- awk: cannot open bash (No such file or directory)
Checking for vulnerabilities on current system
- Kernel is Linux 4.15.0-23-generic #25-Ubuntu SMP Wed May 23 18:02:16 UTC 2018 x86_64
+ Kernel is Linux 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:25:17 UTC 2021 x86_64
CPU is Intel(R) Xeon(R) Platinum 8180 CPU @ 2.50GHz
Hardware check
* SPEC_CTRL MSR is available: YES
* CPU indicates STIBP capability: YES (Intel STIBP feature bit)
* Speculative Store Bypass Disable (SSBD)
- * CPU indicates SSBD capability: NO
+ * CPU indicates SSBD capability: YES (Intel SSBD)
* L1 data cache invalidation
- * FLUSH_CMD MSR is available: NO
- * CPU indicates L1D flush capability: NO
+ * FLUSH_CMD MSR is available: YES
+ * CPU indicates L1D flush capability: YES (L1D flush feature bit)
* Microarchitectural Data Sampling
- * VERW instruction is available: NO
+ * VERW instruction is available: YES (MD_CLEAR feature bit)
* Enhanced IBRS (IBRS_ALL)
* CPU indicates ARCH_CAPABILITIES MSR availability: NO
* ARCH_CAPABILITIES MSR advertises IBRS_ALL capability: NO
* CPU explicitly indicates having MSR for TSX control (TSX_CTRL_MSR): NO
* CPU supports Transactional Synchronization Extensions (TSX): YES (RTM feature bit)
* CPU supports Software Guard Extensions (SGX): NO
- * CPU microcode is known to cause stability problems: NO (model 0x55 family 0x6 stepping 0x4 ucode 0x2000043 cpuid 0x50654)
- * CPU microcode is the latest known available version: awk: cannot open bash (No such file or directory)
- UNKNOWN (latest microcode version for your CPU model is unknown)
+ * CPU supports Special Register Buffer Data Sampling (SRBDS): NO
+ * CPU microcode is known to cause stability problems: NO (family 0x6 model 0x55 stepping 0x4 ucode 0x2000065 cpuid 0x50654)
+ * CPU microcode is the latest known available version: NO (latest version is 0x2006b06 dated 2021/03/08 according to builtin firmwares DB v191+i20210217)
* 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
- * Vulnerable to CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): YES
- * Vulnerable to CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): YES
+ * Affected by CVE-2017-5753 (Spectre Variant 1, bounds check bypass): YES
+ * Affected by CVE-2017-5715 (Spectre Variant 2, branch target injection): YES
+ * Affected by CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): YES
+ * Affected by CVE-2018-3640 (Variant 3a, rogue system register read): YES
+ * Affected by CVE-2018-3639 (Variant 4, speculative store bypass): YES
+ * Affected by CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): NO
+ * Affected by CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): YES
+ * Affected by CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): YES
+ * Affected by CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): YES
+ * Affected by CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): YES
+ * Affected by CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): YES
+ * Affected by CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): YES
+ * Affected by CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): YES
+ * Affected by CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): YES
+ * Affected by CVE-2020-0543 (Special Register Buffer Data Sampling (SRBDS)): NO
CVE-2017-5753 aka Spectre Variant 1, bounds check bypass
- * Mitigated according to the /sys interface: YES (Mitigation: __user pointer sanitization)
+ * Mitigated according to the /sys interface: YES (Mitigation: usercopy/swapgs barriers and __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)
+ * Kernel has array_index_nospec (arm64): NO
+ > STATUS: NOT VULNERABLE (Mitigation: usercopy/swapgs barriers and __user pointer sanitization)
CVE-2017-5715 aka Spectre Variant 2, branch target injection
- * Mitigated according to the /sys interface: YES (Mitigation: Full generic retpoline, IBPB, IBRS_FW)
+ * 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)
* Running as a Xen PV DomU: NO
> STATUS: NOT VULNERABLE (Mitigation: PTI)
+ CVE-2018-3640 aka Variant 3a, rogue system register read
+ * CPU microcode mitigates the vulnerability: YES
+ > STATUS: NOT VULNERABLE (your CPU microcode mitigates the vulnerability)
+
+ CVE-2018-3639 aka Variant 4, speculative store bypass
+ * 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 (boltd fwupd irqbalance systemd-journald systemd-logind systemd-networkd systemd-resolved systemd-timesyncd systemd-udevd)
+ > STATUS: NOT VULNERABLE (Mitigation: Speculative Store Bypass disabled via prctl and seccomp)
+
+ CVE-2018-3615 aka Foreshadow (SGX), L1 terminal fault
+ * CPU microcode mitigates the vulnerability: N/A
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2018-3620 aka Foreshadow-NG (OS), L1 terminal fault
+ * 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 Foreshadow-NG (VMM), L1 terminal fault
+ * 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 Fallout, microarchitectural store buffer data sampling (MSBDS)
+ * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable)
+ * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo)
+ * Kernel mitigation is enabled and active: YES
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (Your microcode and kernel are both up to date for this mitigation, and mitigation is enabled)
+
+ CVE-2018-12130 aka ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)
+ * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable)
+ * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo)
+ * Kernel mitigation is enabled and active: YES
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (Your microcode and kernel are both up to date for this mitigation, and mitigation is enabled)
+
+ CVE-2018-12127 aka RIDL, microarchitectural load port data sampling (MLPDS)
+ * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable)
+ * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo)
+ * Kernel mitigation is enabled and active: YES
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (Your microcode and kernel are both up to date for this mitigation, and mitigation is enabled)
+
+ CVE-2019-11091 aka RIDL, microarchitectural data sampling uncacheable memory (MDSUM)
+ * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable)
+ * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo)
+ * Kernel mitigation is enabled and active: YES
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (Your microcode and kernel are both up to date for this mitigation, and mitigation is enabled)
+
+ CVE-2019-11135 aka ZombieLoad V2, TSX Asynchronous Abort (TAA)
+ * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable)
+ * TAA mitigation is supported by kernel: YES (found tsx_async_abort in kernel image)
+ * TAA mitigation enabled and active: YES (Mitigation: Clear CPU buffers; SMT vulnerable)
+ > STATUS: NOT VULNERABLE (Mitigation: Clear CPU buffers; SMT vulnerable)
+
+ CVE-2018-12207 aka No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)
+ * Mitigated according to the /sys interface: YES (KVM: Mitigation: Split huge pages)
+ * This system is a host running a hypervisor: NO
+ * iTLB Multihit mitigation is supported by kernel: YES (found itlb_multihit in kernel image)
+ * iTLB Multihit mitigation enabled and active: YES (KVM: Mitigation: Split huge pages)
+ > STATUS: NOT VULNERABLE (this system is not running a hypervisor)
+
+ CVE-2020-0543 aka Special Register Buffer Data Sampling (SRBDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * SRBDS mitigation control is supported by the kernel: YES (found SRBDS implementation evidence in kernel image. Your kernel is up to date for SRBDS mitigation)
+ * SRBDS mitigation control is enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not 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:OK CVE-2018-12130:OK CVE-2018-12127:OK CVE-2019-11091:OK CVE-2019-11135:OK CVE-2018-12207:OK CVE-2020-0543:OK
+
+::
+
+ Spectre and Meltdown mitigation detection tool v0.44+
+
+ Checking for vulnerabilities on current system
+ Kernel is Linux 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:27:25 UTC 2021 aarch64
+ CPU is ARM v8 model 0xd08
+
+ Hardware check
+ * CPU vulnerability to the speculative execution attack variants
+ * Affected by CVE-2017-5753 (Spectre Variant 1, bounds check bypass): YES
+ * Affected by CVE-2017-5715 (Spectre Variant 2, branch target injection): YES
+ * Affected by CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): NO
+ * Affected by CVE-2018-3640 (Variant 3a, rogue system register read): YES
+ * Affected by CVE-2018-3639 (Variant 4, speculative store bypass): YES
+ * Affected by CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): NO
+ * Affected by CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): NO
+ * Affected by CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): NO
+ * Affected by CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): NO
+ * Affected by CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): NO
+ * Affected by CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): NO
+ * Affected by CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): NO
+ * Affected by CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): NO
+ * Affected by CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): NO
+ * Affected by CVE-2020-0543 (Special Register Buffer Data Sampling (SRBDS)): NO
+
+ CVE-2017-5753 aka Spectre Variant 1, bounds check bypass
+ * Mitigated according to the /sys interface: YES (Mitigation: __user pointer sanitization)
+ * Kernel has array_index_mask_nospec: NO
+ * Kernel has the Red Hat/Ubuntu patch: NO
+ * Kernel has mask_nospec64 (arm64): NO
+ * Kernel has array_index_nospec (arm64): NO
+ * Checking count of LFENCE instructions following a jump in kernel... NO (only 0 jump-then-lfence instructions found, should be >= 30 (heuristic))
+ > STATUS: NOT VULNERABLE (Mitigation: __user pointer sanitization)
+
+ CVE-2017-5715 aka Spectre Variant 2, branch target injection
+ * Mitigated according to the /sys interface: NO (Vulnerable)
+ * Mitigation 1
+ * Kernel is compiled with IBRS support: YES
+ * IBRS enabled and active: NO
+ * Kernel is compiled with IBPB support: NO
+ * IBPB enabled and active: NO
+ * Mitigation 2
+ * Kernel has branch predictor hardening (arm): YES
+ * Kernel compiled with retpoline option: NO
+ > STATUS: NOT VULNERABLE (Branch predictor hardening mitigates the vulnerability)
+
+ CVE-2017-5754 aka Variant 3, Meltdown, rogue data cache load
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * Kernel supports Page Table Isolation (PTI): YES
+ * PTI enabled and active: UNKNOWN (dmesg truncated, please reboot and relaunch this script)
+ * Reduced performance impact of PTI: NO (PCID/INVPCID not supported, performance impact of PTI will be significant)
+ * Running as a Xen PV DomU: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
CVE-2018-3640 aka Variant 3a, rogue system register read
* CPU microcode mitigates the vulnerability: NO
> STATUS: VULNERABLE (an up-to-date CPU microcode is needed to mitigate this vulnerability)
> STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2018-3620 aka Foreshadow-NG (OS), L1 terminal fault
+ * Mitigated according to the /sys interface: YES (Not affected)
* Kernel supports PTE inversion: NO
- * PTE inversion enabled and active: UNKNOWN (sysfs interface not available)
- > STATUS: VULNERABLE (Your kernel doesnt support PTE inversion, update it)
+ * PTE inversion enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2018-3646 aka Foreshadow-NG (VMM), L1 terminal fault
+ * Information from the /sys interface: Not affected
* This system is a host running a hypervisor: NO
* Mitigation 1 (KVM)
- * EPT is disabled: NO
+ * EPT is disabled: N/A (the kvm_intel module is not loaded)
* Mitigation 2
* L1D flush is supported by kernel: NO
- * L1D flush enabled: UNKNOWN (cant find or read /sys/devices/system/cpu/vulnerabilities/l1tf)
+ * L1D flush enabled: NO
* Hardware-backed L1D flush supported: NO (flush will be done in software, this is slower)
- * Hyper-Threading (SMT) is enabled: YES
- > STATUS: NOT VULNERABLE (this system is not running a hypervisor)
+ * Hyper-Threading (SMT) is enabled: UNKNOWN
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2018-12126 aka Fallout, microarchitectural store buffer data sampling (MSBDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
* Kernel supports using MD_CLEAR mitigation: NO
- > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability)
+ * Kernel mitigation is enabled and active: NO
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2018-12130 aka ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
* Kernel supports using MD_CLEAR mitigation: NO
- > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability)
+ * Kernel mitigation is enabled and active: NO
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2018-12127 aka RIDL, microarchitectural load port data sampling (MLPDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
* Kernel supports using MD_CLEAR mitigation: NO
- > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability)
+ * Kernel mitigation is enabled and active: NO
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2019-11091 aka RIDL, microarchitectural data sampling uncacheable memory (MDSUM)
+ * Mitigated according to the /sys interface: YES (Not affected)
* Kernel supports using MD_CLEAR mitigation: NO
- > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability)
+ * Kernel mitigation is enabled and active: NO
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2019-11135 aka ZombieLoad V2, TSX Asynchronous Abort (TAA)
- * TAA mitigation is supported by kernel: NO
- * TAA mitigation enabled and active: NO (tsx_async_abort not found in sysfs hierarchy)
- > STATUS: VULNERABLE (Your kernel doesnt support TAA mitigation, update it)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * TAA mitigation is supported by kernel: YES (found tsx_async_abort in kernel image)
+ * TAA mitigation enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
CVE-2018-12207 aka No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)
+ * Mitigated according to the /sys interface: YES (Not affected)
* This system is a host running a hypervisor: NO
- * iTLB Multihit mitigation is supported by kernel: NO
- * iTLB Multihit mitigation enabled and active: NO (itlb_multihit not found in sysfs hierarchy)
- > STATUS: NOT VULNERABLE (this system is not running a hypervisor)
+ * iTLB Multihit mitigation is supported by kernel: YES (found itlb_multihit in kernel image)
+ * iTLB Multihit mitigation enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2020-0543 aka Special Register Buffer Data Sampling (SRBDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * SRBDS mitigation control is supported by the kernel: NO
+ * SRBDS mitigation control is enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ > SUMMARY: CVE-2017-5753:OK CVE-2017-5715:OK CVE-2017-5754:OK CVE-2018-3640:KO CVE-2018-3639:KO CVE-2018-3615:OK CVE-2018-3620:OK CVE-2018-3646:OK CVE-2018-12126:OK CVE-2018-12130:OK CVE-2018-12127:OK CVE-2019-11091:OK CVE-2019-11135:OK CVE-2018-12207:OK CVE-2020-0543:OK
+
+ Need more detailed information about mitigation options? Use --explain
+ A false sense of security is worse than no security at all, see --disclaimer
+ok: [10.30.51.37] =>
+ spectre_meltdown_poll_results.stdout_lines:
+ Spectre and Meltdown mitigation detection tool v0.44+
+
+ Checking for vulnerabilities on current system
+ Kernel is Linux 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:27:25 UTC 2021 aarch64
+ CPU is ARM v8 model 0xd08
+
+ Hardware check
+ * CPU vulnerability to the speculative execution attack variants
+ * Affected by CVE-2017-5753 (Spectre Variant 1, bounds check bypass): YES
+ * Affected by CVE-2017-5715 (Spectre Variant 2, branch target injection): YES
+ * Affected by CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): NO
+ * Affected by CVE-2018-3640 (Variant 3a, rogue system register read): YES
+ * Affected by CVE-2018-3639 (Variant 4, speculative store bypass): YES
+ * Affected by CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): NO
+ * Affected by CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): NO
+ * Affected by CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): NO
+ * Affected by CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): NO
+ * Affected by CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): NO
+ * Affected by CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): NO
+ * Affected by CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): NO
+ * Affected by CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): NO
+ * Affected by CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): NO
+ * Affected by CVE-2020-0543 (Special Register Buffer Data Sampling (SRBDS)): NO
+
+ CVE-2017-5753 aka Spectre Variant 1, bounds check bypass
+ * Mitigated according to the /sys interface: YES (Mitigation: __user pointer sanitization)
+ * Kernel has array_index_mask_nospec: NO
+ * Kernel has the Red Hat/Ubuntu patch: NO
+ * Kernel has mask_nospec64 (arm64): NO
+ * Kernel has array_index_nospec (arm64): NO
+ * Checking count of LFENCE instructions following a jump in kernel... NO (only 0 jump-then-lfence instructions found, should be >= 30 (heuristic))
+ > STATUS: NOT VULNERABLE (Mitigation: __user pointer sanitization)
+
+ CVE-2017-5715 aka Spectre Variant 2, branch target injection
+ * Mitigated according to the /sys interface: NO (Vulnerable)
+ * Mitigation 1
+ * Kernel is compiled with IBRS support: YES
+ * IBRS enabled and active: NO
+ * Kernel is compiled with IBPB support: NO
+ * IBPB enabled and active: NO
+ * Mitigation 2
+ * Kernel has branch predictor hardening (arm): YES
+ * Kernel compiled with retpoline option: NO
+ > STATUS: NOT VULNERABLE (Branch predictor hardening mitigates the vulnerability)
+
+ CVE-2017-5754 aka Variant 3, Meltdown, rogue data cache load
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * Kernel supports Page Table Isolation (PTI): YES
+ * PTI enabled and active: UNKNOWN (dmesg truncated, please reboot and relaunch this script)
+ * Reduced performance impact of PTI: NO (PCID/INVPCID not supported, performance impact of PTI will be significant)
+ * Running as a Xen PV DomU: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2018-3640 aka Variant 3a, rogue system register read
+ * CPU microcode mitigates the vulnerability: NO
+ > STATUS: VULNERABLE (an up-to-date CPU microcode is needed to mitigate this vulnerability)
+
+ CVE-2018-3639 aka Variant 4, speculative store bypass
+ * Mitigated according to the /sys interface: NO (Vulnerable)
+ * Kernel supports disabling speculative store bypass (SSB): YES (found in /proc/self/status)
+ * SSB mitigation is enabled and active: NO
+ > STATUS: VULNERABLE (Your CPU doesnt support SSBD)
+
+ CVE-2018-3615 aka Foreshadow (SGX), L1 terminal fault
+ * CPU microcode mitigates the vulnerability: N/A
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2018-3620 aka Foreshadow-NG (OS), L1 terminal fault
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * Kernel supports PTE inversion: NO
+ * PTE inversion enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2018-3646 aka Foreshadow-NG (VMM), L1 terminal fault
+ * Information from the /sys interface: Not affected
+ * This system is a host running a hypervisor: NO
+ * Mitigation 1 (KVM)
+ * EPT is disabled: N/A (the kvm_intel module is not loaded)
+ * Mitigation 2
+ * L1D flush is supported by kernel: NO
+ * L1D flush enabled: NO
+ * Hardware-backed L1D flush supported: NO (flush will be done in software, this is slower)
+ * Hyper-Threading (SMT) is enabled: UNKNOWN
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2018-12126 aka Fallout, microarchitectural store buffer data sampling (MSBDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * Kernel supports using MD_CLEAR mitigation: NO
+ * Kernel mitigation is enabled and active: NO
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2018-12130 aka ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * Kernel supports using MD_CLEAR mitigation: NO
+ * Kernel mitigation is enabled and active: NO
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2018-12127 aka RIDL, microarchitectural load port data sampling (MLPDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * Kernel supports using MD_CLEAR mitigation: NO
+ * Kernel mitigation is enabled and active: NO
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2019-11091 aka RIDL, microarchitectural data sampling uncacheable memory (MDSUM)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * Kernel supports using MD_CLEAR mitigation: NO
+ * Kernel mitigation is enabled and active: NO
+ * SMT is either mitigated or disabled: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2019-11135 aka ZombieLoad V2, TSX Asynchronous Abort (TAA)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * TAA mitigation is supported by kernel: YES (found tsx_async_abort in kernel image)
+ * TAA mitigation enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2018-12207 aka No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * This system is a host running a hypervisor: NO
+ * iTLB Multihit mitigation is supported by kernel: YES (found itlb_multihit in kernel image)
+ * iTLB Multihit mitigation enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+ CVE-2020-0543 aka Special Register Buffer Data Sampling (SRBDS)
+ * Mitigated according to the /sys interface: YES (Not affected)
+ * SRBDS mitigation control is supported by the kernel: NO
+ * SRBDS mitigation control is enabled and active: NO
+ > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
- > SUMMARY: CVE-2017-5753:OK CVE-2017-5715:OK CVE-2017-5754:OK CVE-2018-3640:KO CVE-2018-3639:KO CVE-2018-3615:OK CVE-2018-3620:KO CVE-2018-3646:OK CVE-2018-12126:KO CVE-2018-12130:KO CVE-2018-12127:KO CVE-2019-11091:KO CVE-2019-11135:KO CVE-2018-12207:OK
+ > SUMMARY: CVE-2017-5753:OK CVE-2017-5715:OK CVE-2017-5754:OK CVE-2018-3640:KO CVE-2018-3639:KO CVE-2018-3615:OK CVE-2018-3620:OK CVE-2018-3646:OK CVE-2018-12126:OK CVE-2018-12130:OK CVE-2018-12127:OK CVE-2019-11091:OK CVE-2019-11135:OK CVE-2018-12207:OK CVE-2020-0543:OK
Code Review / csit.git / blobdiff