On 3/23/22 15:58, piorunz wrote: > On 12/03/2022 09:48, Georgi Naplatanov wrote: > >> spectre-meltdown-checker script reports that my system is vulnerable to >> CVE-2017-5715. My CPU is Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz >> >> Is this normal? >> >> In the past all checks from spectre-meltdown-checker were green (my >> system was not vulnerable). > > Is your vulnerability shown as follows? > > CVE-2017-5715 aka 'Spectre Variant 2, branch target injection' > * Mitigated according to the /sys interface: YES (Mitigation: > Retpolines, 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 supports RSB filling: YES >> STATUS: VULNERABLE (IBRS+IBPB or retpoline+IBPB+RSB filling, is > needed to mitigate the vulnerability) >
Yes, it seems the same but to avoid possible confusion/mistake I'm pasting the output below: CVE-2017-5715 aka 'Spectre Variant 2, branch target injection' * Mitigated according to the /sys interface: YES (Mitigation: Retpolines, 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 supports RSB filling: YES > STATUS: VULNERABLE (IBRS+IBPB or retpoline+IBPB+RSB filling, is needed to mitigate the vulnerability)