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Hi Mick |
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În ziua de sâmbătă, 9 iunie 2018, la 22:08:23 EEST, Mick a scris: |
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> On Thursday, 7 June 2018 08:37:41 BST zless wrote: |
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> > Hello, |
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> > |
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> > I just finished installing kernel 4.14.48 on two |
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> > Intel laptops and I have different results for |
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> > |
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> > /sys/devices/system/cpu/vulnerabilities/spec_store_bypass |
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> > |
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> > On one of them it looks nice: |
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> > "Mitigation: Speculative Store Bypass disabled via prctl and seccomp" |
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> > but on the other it still says "Vulnerable". |
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> > |
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> > Any idea on what might influence this? The kernel configs are fairly |
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> > similar, the only thing that's different is the microcode, which is from |
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> > 2017 for the "vulnerable" one. |
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> > |
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> > Thanks |
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> |
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> I would think it is cause by the microcode. |
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> |
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> After you updated sys-firmware/intel-microcode did you rebuild and reboot the |
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> *rebuilt* kernel on both PCs? |
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I just booted in a even newer 4.14.49 kernel but no change so far. |
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dmesg: Speculative Store Bypass: Vulnerable |
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I can only conclude that yes, it is closely related to the firmware version. |
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Thanks |