X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=docs%2Freport%2Fintroduction%2Ftest_environment_sut_meltspec_skx.rst;h=0e2f5b9783a1ec46dd521ae52282a1e528fcd6aa;hb=8d45ae61e3e0a1a6199f0e645e3e66ab67965b67;hp=15b098a9ce3d738da57028d98ec71a08a37d8310;hpb=ce1c52b1fd27d3e2b6c4909219fa98418565ba61;p=csit.git diff --git a/docs/report/introduction/test_environment_sut_meltspec_skx.rst b/docs/report/introduction/test_environment_sut_meltspec_skx.rst index 15b098a9ce..0e2f5b9783 100644 --- a/docs/report/introduction/test_environment_sut_meltspec_skx.rst +++ b/docs/report/introduction/test_environment_sut_meltspec_skx.rst @@ -1,5 +1,5 @@ Spectre and Meltdown Checks -~~~~~~~~~~~~~~~~~~~~~~~~~~~ +^^^^^^^^^^^^^^^^^^^^^^^^^^^ Following section displays the output of a running shell script to tell if system is vulnerable against the several "speculative execution" CVEs that were @@ -8,10 +8,10 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github :: - Spectre and Meltdown mitigation detection tool v0.42 + Spectre and Meltdown mitigation detection tool v0.44+ Checking for vulnerabilities on current system - Kernel is Linux 4.15.0-46-generic #49-Ubuntu SMP Wed Feb 6 09:33:07 UTC 2019 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 @@ -30,8 +30,8 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github * 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 + * Microarchitectural Data Sampling + * 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 @@ -40,33 +40,41 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github * 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 explicitly indicates not being vulnerable to TSX Asynchronous Abort (TAA_NO): NO + * CPU explicitly indicates not being vulnerable to iTLB Multihit (PSCHANGE_MSC_NO): 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 0x200004d 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 + * 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) @@ -95,7 +103,7 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github * 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 (systemd-journald systemd-logind systemd-networkd systemd-resolved systemd-timesyncd systemd-udevd) + * 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 @@ -121,19 +129,50 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github > STATUS: NOT VULNERABLE (this system is not running a hypervisor) CVE-2018-12126 aka Fallout, microarchitectural store buffer data sampling (MSBDS) - * Kernel supports using MD_CLEAR mitigation: NO - > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + * 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) - * Kernel supports using MD_CLEAR mitigation: NO - > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + * 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) - * Kernel supports using MD_CLEAR mitigation: NO - > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + * 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) - * Kernel supports using MD_CLEAR mitigation: NO - > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + * 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:KO CVE-2018-12130:KO CVE-2018-12127:KO CVE-2019-11091:KO + > 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