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dkim=pass header.d=mailbox.org header.s=mail20150812 header.b="U9/LYdRe"; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=reject) header.from=mailbox.org X-Migadu-Scanner: scn1.migadu.com X-Migadu-Spam-Score: -4.94 X-Spam-Score: -4.94 X-Migadu-Queue-Id: 7C822A255 X-TUID: 3Zfd8hOG4mdc Hi Guix, My CPU, an 11th Gen Intel(R) Core(TM) i7-1165G7, is reported to be vulnerable by `lscpu`: --8<---------------cut here---------------start------------->8--- Vulnerabilities: Itlb multihit: Not affected L1tf: Not affected Mds: Not affected Meltdown: Not affected Mmio stale data: Not affected Retbleed: Not affected Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Spectre v2: Vulnerable: eIBRS with unprivileged eBPF Srbds: Not affected Tsx async abort: Not affected --8<---------------cut here---------------end--------------->8--- with `uname -a` output being --8<---------------cut here---------------start------------->8--- Linux gelil14 6.1.8-gnu #1 SMP PREEMPT_DYNAMIC 1 x86_64 GNU/Linux --8<---------------cut here---------------end--------------->8--- On the same machine, I have run Debian 11 Live from a USB drive: --8<---------------cut here---------------start------------->8--- Linux debian 5.10.0-20-amd64 #1 SMP Debian 5.10.158-2 (2022-12-13) x86_64 GNU/Linux --8<---------------cut here---------------end--------------->8--- and the equivalent `lscpu` section is --8<---------------cut here---------------start------------->8--- Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Retbleed: Not affected Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Enhanced IBRS, IBPB conditional, RSB filling, PBRSB-eIBRS SW sequence Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected --8<---------------cut here---------------end--------------->8--- Does anyone know how to enable some sort of mitigation for Guix? Thanks, Christian