Le 17/02/2018 à 12:59, Ed Greshko a écrit : > On 02/17/18 18:12, François Patte wrote: >> I just updated f27 and the new installed kernel >> (4.15.3-300.fc27.x86_64), sends these messages at boot time: >> >> kernel: Spectre V2 : Mitigation: Full generic retpoline >> kernel: Spectre V2 : System may be vulnerable to spectre v2 >> >> What do they mean and what to do? Waiting for next kernel update? > > > It may mean that your particular CPU is not fully protected by the recent kernel patches. > > Cat the files in /sys/devices/system/cpu/vulnerabilities > > FWIW, my systems have .... > > [egreshko@acer vulnerabilities]$ cat meltdown > Mitigation: PTI > > [egreshko@acer vulnerabilities]$ cat spectre_v1 > Mitigation: __user pointer sanitization Same as you. > > [egreshko@acer vulnerabilities]$ cat spectre_v2 > Mitigation: Full generic retpoline this one gives: Mitigation: Full generic retpoline - vulnerable module loaded But does not give the module name!! -- François Patte UFR de mathématiques et informatique Laboratoire CNRS MAP5, UMR 8145 Université Paris Descartes 45, rue des Saints Pères F-75270 Paris Cedex 06 Tél. +33 (0)6 7892 5822 http://www.math-info.univ-paris5.fr/~patte
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