Commit Graph

285 Commits

Author SHA1 Message Date
rrobgill 172c04a78a
32 bit kernel suggestions
x86_32 PTI is still under development https://lkml.org/lkml/2018/4/16/561 , but is not yet available in the kernel.
"How to fix" for users of 32 bit kernels suggests recompiling kernel with options that are not yet available.
Added information for 32 bit kernel systems noting this, and suggesting investigating 64 bit kernels through their distro.
2018-04-30 20:31:24 +10:00
Onno Zweers 4acd0f647a Suggestion to change VM to a CPU with IBRS capability 2018-04-20 20:35:12 +02:00
Stéphane Lesimple fb52dbe7bf set master branch to v0.37+ 2018-04-20 20:34:42 +02:00
Stéphane Lesimple edebe4dcd4 bump to v0.37 2018-04-18 23:51:45 +02:00
Stéphane Lesimple 83ea78f523 fix: arm: also detect variant 1 mitigation when using native objdump 2018-04-17 18:50:32 +02:00
Stéphane Lesimple 602b68d493 fix(spectrev2): explain that retpoline is possible for Skylake+ if there is RSB filling, even if IBRS is still better 2018-04-16 09:27:28 +02:00
Stéphane Lesimple 97bccaa0d7 feat: rephrase IBPB warning when only retpoline is enabled in non-paranoid mode 2018-04-16 09:13:25 +02:00
Stéphane Lesimple 68e619b0d3 feat: show RSB filling capability for non-Skylake in verbose mode 2018-04-16 09:08:25 +02:00
Stéphane Lesimple a6f4475cee feat: make IBRS_FW blue instead of green 2018-04-16 09:07:54 +02:00
Stéphane Lesimple 223f5028df feat: add --paranoid to choose whether we require IBPB 2018-04-15 23:05:30 +02:00
Stéphane Lesimple c0108b9690 fix(spectre2): don't explain how to fix when NOT VULNERABLE 2018-04-15 20:55:55 +02:00
Stéphane Lesimple a3016134bd feat: make RSB filling support mandatory for Skylake+ CPUs 2018-04-15 20:55:31 +02:00
Stéphane Lesimple 59d85b39c9 feat: detect RSB filling capability in the kernel 2018-04-15 20:55:01 +02:00
Stéphane Lesimple baaefb0c31 fix: remove shellcheck warnings 2018-04-11 22:24:03 +02:00
Igor Lubashev d452aca03a fix: invalid bash syntax when ibpb_enabled or ibrs_enabled are empty 2018-04-11 10:29:42 +02:00
Stéphane Lesimple 10b8d94724 feat: detect latest Red Hat kernels' RO ibpb_enabled knob 2018-04-10 22:51:45 +02:00
Stéphane Lesimple 8606e60ef7 refactor: no longer display the retoline-aware compiler test when we can't tell for sure 2018-04-10 22:51:45 +02:00
Stéphane Lesimple 6a48251647 fix: regression in 51aeae25, when retpoline & ibpb are enabled 2018-04-10 22:51:45 +02:00
Stéphane Lesimple f4bf5e95ec fix: typos 2018-04-10 22:51:45 +02:00
Stéphane Lesimple 60eac1ad43 feat: also do PTI performance check with (inv)pcid for BSD 2018-04-10 22:51:45 +02:00
Stéphane Lesimple b3cc06a6ad fix regression introduced by 82c25dc 2018-04-10 22:51:45 +02:00
Stéphane Lesimple 5553576e31 feat(amd/zen): re-introduce IBRS for AMD except ZEN family 2018-04-10 22:51:45 +02:00
Stéphane Lesimple e16ad802da feat(ibpb=2): add detection of SMT before concluding the system is not vulnerable 2018-04-10 22:51:45 +02:00
Stéphane Lesimple 29c294edff feat(bsd): explain how to mitigate variant2 2018-04-10 22:51:45 +02:00
Stéphane Lesimple 59714011db refactor: IBRS_ALL & RDCL_NO are Intel-only 2018-04-10 22:51:45 +02:00
Stéphane Lesimple 51e8261a32 refactor: separate hw checks for Intel & AMD 2018-04-10 22:49:28 +02:00
Stéphane Lesimple 2a4bfad835 refactor: add is_amd and is_intel funcs 2018-04-10 22:49:28 +02:00
Stéphane Lesimple 7e52cea66e feat(spectre2): refined how status of this vuln is decided and more precise explanations on how to fix 2018-04-10 22:49:28 +02:00
Benjamin Bouvier 417d7aab91 Fix trailing whitespace and mixed indent styles; 2018-04-10 22:42:47 +02:00
Sylvestre Ledru 67bf761029 Fix some user facing typos with codespell -w -q3 . 2018-04-08 18:44:13 +02:00
Stéphane Lesimple 0eabd266ad refactor: decrease default verbosity for some tests 2018-04-05 22:20:16 +02:00
Stéphane Lesimple b77fb0f226 fix: don't override ibrs/ibpb results with later tests 2018-04-05 22:04:20 +02:00
Stéphane Lesimple 89c2e0fb21 fix(amd): show cpuinfo and ucode details 2018-04-05 21:39:27 +02:00
Stéphane Lesimple b88f32ed95 feat: print raw cpuid, and fetch ucode version under BSD 2018-04-05 00:07:12 +02:00
Stéphane Lesimple 7a4ebe8009 refactor: rewrite read_cpuid to get more common code parts between BSD and Linux 2018-04-05 00:06:24 +02:00
Stéphane Lesimple 0919f5c236 feat: add explanations of what to do when a vulnerability is not mitigated 2018-04-05 00:03:04 +02:00
Stéphane Lesimple de02dad909 feat: rework Spectre V2 mitigations detection w/ latest vanilla & Red Hat 7 kernels 2018-04-05 00:01:54 +02:00
Stéphane Lesimple 07484d0ea7 add dump of variables at end of script in debug mode 2018-04-04 23:58:15 +02:00
Stéphane Lesimple a8b557b9e2 fix(cpu): skip CPU checks if asked to (--no-hw) or if inspecting a kernel of another architecture 2018-04-03 19:36:28 +02:00
Stéphane Lesimple 619b2749d8 fix(sysfs): only check for sysfs for spectre2 when in live mode 2018-04-03 19:32:36 +02:00
Stéphane Lesimple 94857c983d update readme 2018-04-03 16:00:36 +02:00
Stéphane Lesimple 056ed00baa feat(arm): detect spectre variant 1 mitigation 2018-04-03 15:52:25 +02:00
Stéphane Lesimple aef99d20f3 fix(pti): when PTI activation is unknown, don't say we're vulnerable 2018-04-03 12:45:17 +02:00
Stéphane Lesimple e2d7ed2243 feat(arm): support for variant2 and meltdown mitigation detection 2018-04-01 17:50:18 +02:00
Stéphane Lesimple eeaeff8ec3 set version to v0.36+ for master branch between releases 2018-04-01 17:45:01 +02:00
Stéphane Lesimple f5269a362a feat(bsd): add retpoline detection for BSD 2018-04-01 17:42:29 +02:00
Stéphane Lesimple f3883a37a0 fix(xen): adjust message for DomUs w/ sysfs 2018-03-31 13:44:04 +02:00
Stéphane Lesimple b6fd69a022 release: v0.36 2018-03-27 23:08:38 +02:00
Stéphane Lesimple 7adb7661f3 enh: change colors and use red only to report vulnerability 2018-03-25 18:15:08 +02:00
Stéphane Lesimple c7892e3399 update README.md 2018-03-25 14:18:39 +02:00