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355 Commits

Author SHA1 Message Date
Stéphane Lesimple
90a65965ff adjust: show how to enable IBRS/IBPB in -v only 2018-01-29 11:06:15 +01:00
Stéphane Lesimple
9b53635eda refacto: fix shellcheck warnings for better compat 
Now `shellcheck -s sh` no longer shows any warnings.
This should improve compatibility with exotic shells
as long as they're POSIX compliant.
 2018-01-29 10:34:08 +01:00
Joseph Mulloy
7404929661 Fix printing of microcode to use cpuinfo values 
The values used should be the ones that come from cpuinfo instead of
the test values. The following line will print the last tuple tested
instead of the actual values of the CPU.

Line 689: _debug "is_ucode_blacklisted: no ($model/$stepping/$ucode)"
 2018-01-26 18:23:18 +01:00
Stéphane Lesimple
0798bd4c5b fix: report arch_capabilities as NO when no MSR 
When the arch_capabilities MSR is not there, it means
that all the features it might advertise can be considered
as NO instead of UNKNOWN
 2018-01-26 14:55:01 +01:00
Stéphane Lesimple
42094c4f8b release: v0.33 2018-01-26 14:20:29 +01:00
Stéphane Lesimple
03d2dfe008 feat: add blacklisted Intel ucode detection 
Some Intel microcodes are known to cause instabilities
such as random reboots. Intel advises to revert to a
previous version if a newer one that fixes those issues
is not available. Detect such known bad microcodes.
 2018-01-26 14:19:54 +01:00
Stéphane Lesimple
9f00ffa5af fix: fallback to UNKNOWN when we get -EACCES 
For detection of IBRS_ALL and RDCL_NO, fallback to
UNKNOWN when we were unable to read the CPUID or MSR.
 2018-01-26 14:16:34 +01:00
Matthieu Cerda
7f0d80b305 xen: detect if the host is a Xen Dom0 or PV DomU (fixes #83) 2018-01-25 11:04:30 +01:00
Stéphane Lesimple
d1c1f0f0f0 fix(batch): fix regression introduced by acf12a6 
In batch mode, $echo_cmd was not initialized early
enough, and caused this error:
./spectre-meltdown-checker.sh: 899: ./spectre-meltdown-checker.sh: -ne: not found
Fix it by initing echo_cmd unconditionally at the start
 2018-01-24 17:57:19 +01:00
Stéphane Lesimple
acf12a6d2d feat(cpu) add STIBP, RDCL_NO, IBRS_ALL checks 
Move all the CPU checks to their own section,
for clarity. We now check for IBRS, IBPB, STIBP,
RDCL_NO and IBRS_ALL. We also show whether the
system CPU is vulnerable to the three variants,
regardless of the fact that mitigations are in
place or not, which is determined in each vuln-
specific section.
 2018-01-24 14:44:16 +01:00
Stéphane Lesimple
b45e40bec8 feat(stibp): add STIBP cpuid feature check 2018-01-24 12:19:02 +01:00
Stéphane Lesimple
3c1d452c99 fix(cpuid): fix off-by-one SPEC_CTRL bit check 2018-01-24 12:18:56 +01:00
Stéphane Lesimple
53b9eda040 fix: don't make IBPB mandatory when it's not there 
On some kernels there could be IBRS support but not
IBPB support, in that case, don't report VULN just
because IBPB is not enabled when IBRS is
 2018-01-24 09:04:25 +01:00
Stéphane Lesimple
3b0ec998b1 fix(cosmetic): tiny msg fixes 2018-01-24 09:04:25 +01:00
Stéphane Lesimple
d55bafde19 fix(cpu): trust is_cpu_vulnerable even w/ debugfs 
For variant3 under AMD, the debugfs vulnerabilities hierarchy
flags the system as Vulnerable, which is wrong. Trust our own
is_cpu_vulnerable() func in that case
 2018-01-24 09:04:25 +01:00
Stéphane Lesimple
147462c0ab fix(variant3): do our checks even if sysfs is here 2018-01-24 09:04:25 +01:00
Stéphane Lesimple
ddc7197b86 fix(retpoline): retpoline-compiler detection 
When kernel is not compiled with retpoline option, doesn't
have the sysfs vulnerability hierarchy and our heuristic to
detect a retpoline-aware compiler didn't match, change result
for retpoline-aware compiler detection from UNKNOWN to NO.
When CONFIG_RETPOLINE is not set, a retpoline-aware compiler
won't produce different asm than a standard one anyway.
 2018-01-24 09:04:25 +01:00
Stéphane Lesimple
e7aa3b9d16 feat(retpoline): check if retpoline is enabled 
Before we would just check if retpoline was compiled
in, now we also check that it's enabled at runtime
(only in live mode)
 2018-01-24 09:04:25 +01:00
Stéphane Lesimple
ff5c92fa6f feat(sysfs): print details even with sysfs 
Before, when the /sys kernel vulnerability interface
was available, we would bypass all our tests and just
print the output of the vulnerability interface. Now,
we still rely on it when available, but we run our
checks anyway, except for variant 1 where the current
method of mitigation detection doesn't add much value
to the bare /sys check
 2018-01-24 09:04:25 +01:00
Stéphane Lesimple
443d9a2ae9 feat(ibpb): now also check for IBPB on variant 2 
In addition to IBRS (and microcode support), IBPB
must be used to mitigate variant 2, if retpoline
support is not available. The vulnerability status
of a system will be defined as "non vulnerable"
if IBRS and IBPB are both enabled, or if IBPB
is enabled with a value of 2 for RedHat kernels,
see https://access.redhat.com/articles/3311301
 2018-01-24 09:04:25 +01:00
Stéphane Lesimple
3e454f1817 fix(offline): report unknown when too few info 
In offline mode, in the worst case where an invalid
config file is given, and we have no vmlinux image
nor System.map, the script was reporting Variant 2
and Variant 3 as vulnerable in the global status.
Replace this by a proper pair of UNKNOWNs
 2018-01-23 22:20:34 +01:00
Stéphane Lesimple
c8a25c5d97 feat: detect invalid kconfig files 2018-01-23 21:48:19 +01:00
Stéphane Lesimple
40381349ab fix(dmesg): detect when dmesg is truncated 
To avoid false negatives when looking for a message
in dmesg, we were previously also grepping in known
on-disk archives of dmesg (dmesg.log, kern.log).
This in turn caused false positives because we have no
guarantee that we're grepping the dmesg of the current
running kernel. Hence we now only look in the live
`dmesg`, detect if it has been truncated, and report
it to the user.
 2018-01-21 16:26:08 +01:00
Stéphane Lesimple
0aa5857a76 fix(cpu): Pentium Exxxx series are not vulnerable 
Pentium E series are not in the vulnerable list from
Intel, and Spectre2 PoC reportedly doesn't work on
an E5200
 2018-01-21 16:13:17 +01:00
Stéphane Lesimple
b3b7f634e6 fix(display): use text-mode compatible colors 
in text-mode 80-cols TERM=linux terminals, colors
were not displaying properly, one had to use
--no-color to be able to read some parts of the
text.
 2018-01-21 12:32:22 +01:00
Stéphane Lesimple
263ef65fec bump to v0.32 2018-01-20 12:49:12 +01:00
Stéphane Lesimple
a1bd233c49 revert to a simpler check_vmlinux() 2018-01-20 12:26:26 +01:00
Stéphane Lesimple
de6590cd09 cache is_cpu_vulnerable result for performance 2018-01-20 12:24:23 +01:00
Stéphane Lesimple
56d4f82484 is_cpu_vulnerable: implement check for multi-arm systems 2018-01-20 12:24:23 +01:00
Stéphane Lesimple
7fa2d6347b check_vmlinux: when readelf doesn't work, try harder with another way 2018-01-20 12:23:55 +01:00
Stéphane Lesimple
3be5e90481 be smarter to find a usable echo command 2018-01-20 12:23:55 +01:00
Stéphane Lesimple
995620a682 add pine64 vmlinuz location 2018-01-20 12:23:19 +01:00
Stéphane Lesimple
193e0d8d08 arm: cosmetic fix for name and handle aarch64 2018-01-20 12:22:48 +01:00
Stéphane Lesimple
72ef94ab3d ARM: display a friendly name instead of empty string 2018-01-20 12:22:48 +01:00
Harald Hoyer
ccc0453df7 search in /lib/modules/$(uname -r) for vmlinuz, config, System.map 
On Fedora machines /lib/modules/$(uname -r) has all the files.
 2018-01-20 11:19:34 +01:00
Stéphane Lesimple
14ca49a042 Atom N270: implement another variation 2018-01-19 18:47:38 +01:00
Stéphane Lesimple
db357b8e25 CoreOS: remove ephemeral install of a non-used package 2018-01-18 10:17:25 +01:00
Stéphane Lesimple
42a57dd980 add kern.log as another backend of dmesg output 2018-01-17 17:17:39 +01:00
Stéphane Lesimple
5ab95f3656 fix(atom): don't use a pcre regex, only an extended one 2018-01-17 12:01:13 +01:00
Stéphane Lesimple
5b6e39916d fix(atom): properly detect Nxxx Atom series 2018-01-17 11:07:47 +01:00
Willy Sudiarto Raharjo
556951d5f0 Add Support for Slackware. 
Signed-off-by: Willy Sudiarto Raharjo <willysr@gmail.com>
 2018-01-16 11:55:03 +01:00
Stéphane Lesimple
7a88aec95f
Implement CoreOS compatibility mode (#84) 
* Add special CoreOS compatibility mode
* CoreOS: refuse --coreos if we're not under CoreOS
* CoreOS: warn if launched without --coreos option
* is_coreos: make stderr silent
* CoreOS: tiny adjustments
 2018-01-16 10:33:01 +01:00
Stéphane Lesimple
bd18323d79 bump to v0.31 to reflect changes 2018-01-14 22:34:09 +01:00
Stéphane Lesimple
b89d67dd15 meltdown: detecting Xen PV, reporting as not vulnerable 2018-01-14 22:31:21 +01:00
Stéphane Lesimple
704e54019a is_cpu_vulnerable: add check for old Atoms 2018-01-14 21:32:56 +01:00
Stéphane Lesimple
d96093171a verbose: add PCID check for performance impact of PTI 2018-01-14 17:18:34 +01:00
Stéphane Lesimple
dcc4488340
Merge pull request #80 from speed47/cpuid_spec_ctrl 
v0.30, cpuid spec ctrl and other enhancements
 2018-01-14 16:48:02 +01:00
Stéphane Lesimple
32e3fe6c07 bump to v0.30 to reflect changes 2018-01-14 16:45:59 +01:00
Stéphane Lesimple
71213c11b3 ibrs: check for spec_ctrl_ibrs in cpuinfo 2018-01-14 16:36:51 +01:00
Andreas Rammhold
2964c4ab44
add support for NixOS kernel 
this removes the need to specify the kernel version manually on NixOS
 2018-01-14 16:18:29 +01:00
Stéphane Lesimple
749f432d32 also check for spec_ctrl flag in cpuinfo 2018-01-14 15:47:51 +01:00
Stéphane Lesimple
a422b53d7c also check for cpuinfo flag 2018-01-14 15:47:51 +01:00
Stéphane Lesimple
c483a2cf60 check spec_ctrl support using cpuid 2018-01-14 15:47:51 +01:00
Stéphane Lesimple
dead0054a4 fix: proper detail msg in vuln status 2018-01-14 15:47:22 +01:00
Stéphane Lesimple
e5e4851d72 proper return codes regardless of the batch mode 2018-01-14 14:24:31 +01:00
Stéphane Lesimple
7f92717a2c add info about accuracy when missing kernel files 2018-01-13 13:59:17 +01:00
Stéphane Lesimple
b47d505689 AMD now vuln to variant2 (as per their stmt) 2018-01-13 13:35:31 +01:00
Corey Hickey
4a2d051285 minor is_cpu_vulnerable() changes (#71) 
* correct is_cpu_vulnerable() comment

As far as I can tell, the function and usage are correct for the comment
to be inverted.

Add a clarifying note as to why the value choice makes sense.

* exit on invalid varient

If this happens, it's a bug in the script. None of the calling code
checks for status 255, so don't let a scripting bug cause a false
negative.

* no need to set vulnerable CPUs

According to comment above this code:
'by default, everything is vulnerable, we work in a "whitelist" logic here.'
 2018-01-13 13:16:37 +01:00
Sylvestre Ledru
f3551b9734 Only show the name of the script, not the full path (#72) 2018-01-13 13:14:19 +01:00
Sylvestre Ledru
45b98e125f fix some typos (#73) 2018-01-13 13:13:40 +01:00
Stéphane Lesimple
dce917bfbb add --version, bump to v0.28 2018-01-12 19:10:44 +01:00
Stéphane Lesimple
8f18f53aba add cpu model in output 2018-01-12 19:08:12 +01:00
M. Willis Monroe
8bd093173d Fixed a few spelling errors (#60) 2018-01-12 11:46:36 +01:00
Stéphane Lesimple
bfe5a3b840 add some debug 2018-01-12 10:53:19 +01:00
Stéphane Lesimple
6a0242eea3 bump to v0.27 2018-01-11 15:36:41 +01:00
Stéphane Lesimple
bc4e39038a fix(opcodes): fix regression introduced in previous commit 
We were saying unknown instead of vulnerable when the count of lfence opcodes was low
This was not impacting batch mode or the final decision, just the human-readable output of the script.
 2018-01-11 15:35:57 +01:00
Stéphane Lesimple
62f8ed6f61
adding support for new /sys interface (#55) 
* adding support for new /sys interface
* fix(objdump): prefer -d instead of -D, some kernels crash objdump otherwise
 2018-01-11 12:23:16 +01:00
Tobias Rüetschi
52a8f78885 send warning to stderr. (#53) 
With --batch json there must not be any other output on stdout, so redirect warnings to stderr will show the warning on the console and only the json output is on stdout.
 2018-01-11 09:55:43 +01:00
Stéphane Lesimple
a09a5ba38f bump to v0.25 to reflect changes 2018-01-11 09:08:29 +01:00
Abdoul Bah
5a7d8d7edf Produce JSON output formatted for Puppet, Ansible, Chef... (#50) 
Produce JSON output formatted for Puppet, Ansible, Chef...
 2018-01-11 09:04:13 +01:00
Stéphane Lesimple
49fdc6c449
Merge pull request #51 from cowanml/file_read_check_fixup 
fixed file read test
 2018-01-10 21:39:09 +01:00
Matt Cowan
af3de2a862 fixed file read test 2018-01-10 15:17:14 -05:00
Stéphane Lesimple
c6e1b0ac8a feat(kernel): add support for LZ4 decompression 2018-01-10 20:10:57 +01:00
Stéphane Lesimple
eb0ebef5a8 fix(opensuse): add specific location for ibrs_enabled file 2018-01-10 17:40:33 +01:00
Stéphane Lesimple
a658de2f01 fix(kernel): fix detection for separate /boot partitions 2018-01-10 16:27:16 +01:00
Stéphane Lesimple
8ed1f5e3af feat(kernel): check the BOOT_IMAGE info from cmdline before trying the default names 2018-01-10 15:46:29 +01:00
Stéphane Lesimple
ffc542eb82 bump to v0.23 to reflect changes 2018-01-10 15:25:55 +01:00
Stéphane Lesimple
74bc7ba637 add --variant to specify what check we want to run 2018-01-10 15:22:30 +01:00
Marcus Downing
59fe8c2ad8 Error on unknown batch format 2018-01-10 13:57:10 +00:00
Marcus Downing
7c11d07865 Stray tab 2018-01-10 11:59:33 +00:00
Marcus Downing
7c5cfbb8c3 batch nrpe 2018-01-10 11:57:45 +00:00
Marcus Downing
381038eceb NRPE mode 2018-01-10 11:18:45 +00:00
Stéphane Lesimple
d6e4aa43f0
Merge pull request #37 from deufrai/better-dmesg-support 
Improve PTI detection
 2018-01-09 19:52:45 +01:00
Stéphane Lesimple
e5e09384f0 typofix 2018-01-09 18:54:35 +01:00
Stéphane Lesimple
7222367f04 add disclaimer and bump to 0.21 2018-01-09 18:52:21 +01:00
Stéphane Lesimple
ab512687cf
Merge pull request #38 from Alkorin/fixARM 
Fix ARM checks
 2018-01-09 18:47:25 +01:00
Alkorin
335439dee0 Fix small typo in error message 2018-01-09 18:44:15 +01:00
Alkorin
45297b6f7d Fix ARM checks 2018-01-09 18:41:48 +01:00
Frederic CORNU
a7b14306d5 Improve PTI detection even more 
when PTI detection relies on dmesg, dmesg output is checked first
then /var/log/dmesg if dmesg output lacks boot time messages
 2018-01-09 18:26:32 +01:00
Frederic CORNU
608952ff71 Improve PTI detection 
In case of a busy or misconfigured server, kernel message buffer loop
can be filled with messages broadcasted later than boot time. So dmesg
command wont return boot time messages.

Grepping /var/log/dmesg fixes it and this log file location semms pretty
standard across many common distros
 2018-01-09 18:17:39 +01:00
Stéphane Lesimple
1c3d349667
Merge pull request #31 from Feandil/batch 
Add a "batch" and "verbose" mode
 2018-01-09 18:12:39 +01:00
Stéphane Lesimple
b93b13263d fix(pti): remove escapes since we use grep -E now 2018-01-09 16:01:44 +01:00
Vincent Brillault
ad342cab06
Introduce "verbose" and "batch" modes 
Rewrite the way the output is processed:
- Define verbosity level (currently warn, info (default) & verbose)
- Add a batch mode, for simple machine parsing
 2018-01-09 15:58:13 +01:00
Vincent Brillault
5fd85e288b
No-color: interpret string (-e) to be able to mach \x1B 2018-01-09 15:57:10 +01:00
Stéphane Lesimple
322f4efc8f fix broken logic of 68961f9, increment version to 0.20 2018-01-09 14:55:12 +01:00
Vincent Brillault
b6bfcdbd45
Move configuration at the beginning of the script 2018-01-09 14:18:02 +01:00
Stéphane Lesimple
68961f98c2 adding known non-vulnerable ARM chips 2018-01-09 13:11:48 +01:00
Stéphane Lesimple
f0f2ea9b11 v0.19: introduce --no-color 2018-01-09 10:32:51 +01:00
Stéphane Lesimple
6f1bdba1d9 bump to v0.18 to reflect changes 2018-01-09 09:21:42 +01:00
Stéphane Lesimple
7b05105a54
Merge pull request #25 from Feandil/proc_config 
When using /proc/config.gz, indicate it more clearly
 2018-01-09 09:19:36 +01:00
Stéphane Lesimple
8aed2d4086
Merge pull request #26 from Feandil/proc_kallsym 
Use /proc/kallsyms to get symbols, if available
 2018-01-09 09:17:18 +01:00
Vincent Brillault
f4140a992a
Use /proc/kallsyms to get symbols, if available 2018-01-09 08:58:09 +01:00
Vincent Brillault
2c51b00a90
When using /proc/config.gz, indicate it more clearly 2018-01-09 08:54:07 +01:00
Stéphane Lesimple
2d94514c07 adding mention of heuristic for variant 1 check 2018-01-09 08:43:52 +01:00
Stéphane Lesimple
0e8f97afbc
Merge pull request #24 from angus-p/Remove-extra-space 
remove superfluous space from test line 315
 2018-01-09 08:34:10 +01:00
angus-p
cc0b325383
remove superfluous space from test line 315 
Extra space was causing non-existent variable to be tested resulting in 'YES' if running in live mode and IBRS compiled in
 2018-01-09 03:47:25 +00:00
Matthew Radcliffe
4454f03136 Increases tmp directory uniqueness to 6 characters to support Slackware 2018-01-08 22:28:55 -05:00
Stéphane Lesimple
949f316f89 missed version bump + README typofix 2018-01-08 23:15:42 +01:00
Stéphane Lesimple
d73a24cb5b implement offline mode and help 2018-01-08 23:09:17 +01:00
Grim Kriegor
2d33a4369e Linux-libre support 2018-01-08 21:56:11 +00:00
Stéphane Lesimple
8d4d295309 bump to v0.16 to reflect changes 2018-01-08 17:48:20 +01:00
Stéphane Lesimple
1ff437edbb
Merge pull request #16 from Alkorin/fixes 
Fixes
 2018-01-08 17:45:59 +01:00
Stéphane Lesimple
34656827f5 detect retpoline-compliant compiler from latest LKML patches 2018-01-08 17:32:19 +01:00
Alkorin
8c8a8d35fd Detect if 'readelf' is present 2018-01-08 16:52:09 +01:00
Alkorin
debd10b517 Detect if 'strings' is present 2018-01-08 16:51:20 +01:00
Alkorin
21f81ff5c9 Detect if uncompress binaries are present 2018-01-08 16:51:14 +01:00
Stéphane Lesimple
206e4b7fbc add detection of retpoline-aware compiler 2018-01-08 16:28:00 +01:00
Alkorin
1a14483c98 Use 'readelf' instead of 'file' to detect kernel 2018-01-08 15:56:19 +01:00
Alkorin
26564206db Do not execute checks if we already found that PTI is enabled 2018-01-08 15:56:19 +01:00
Stéphane Lesimple
207168e097 detect if the used compiler supports retpoline (WIP) 2018-01-08 15:45:09 +01:00
Sebastian Wiesinger
c88acdd31d Remove superfluous 'YES' output when checking cpuinfo 2018-01-08 14:50:59 +01:00
Sebastian Wiesinger
124ce8e27a Recognize 'kaiser' flag in /proc/cpuinfo 2018-01-08 14:38:43 +01:00
Vincent Brillault
a792348928
RedHat uses a different configuration name 2018-01-08 12:59:12 +01:00
Vincent Brillault
66f7708095
Refactor RedHat support: 
- Isolate file check to different elif (allowing to add more)
- Do the PTI debugfs check first (faster and supposed to be dynamic)
- If pti_enable is 0, don't trust dmesg (supposed to be dynamic)
 2018-01-08 12:59:03 +01:00
Vincent Brillault
34ef5ef21b
Delay umount (for RedHat access to pti_enable) 2018-01-08 12:58:22 +01:00
Stéphane Lesimple
edbdf0da1f push the lfence opcodes threshold to 70 2018-01-08 12:49:23 +01:00
Alkorin
47c30babf1 Avoid 'cat: /sys/kernel/debug/x86/pti_enabled: Permission denied' 2018-01-08 12:41:28 +01:00
Stéphane Lesimple
ef7a5c4cf6 adding uname -v to get potential additional vendor information 2018-01-08 12:22:56 +01:00
Vincent Brillault
b7197d6f54
Fix debugfs mount check 2018-01-08 12:15:51 +01:00
Stéphane Lesimple
c792fa35bf add kernel version information to the output 2018-01-08 12:14:12 +01:00
Stéphane Lesimple
d1498fe03f
Merge pull request #5 from fccagou/centos 
fix(centos): check according to redhat patch.
 2018-01-08 12:10:07 +01:00
Stéphane Lesimple
12bdd0e412 root check is now more visible 2018-01-08 11:31:19 +01:00
fccagou
0f50e04dab fix(centos): check according to redhat patch. https://access.redhat.com/articles/3311301 2018-01-08 11:14:22 +01:00
David Guglielmi
bf056ae73d Add support for Gentoo genkernel image path 2018-01-08 11:08:53 +01:00
Frederik Schreiber
40a9d43c44 add arch linux bootimage path 2018-01-08 10:36:29 +01:00
Stéphane Lesimple
c1004d5171 fix extract-vmlinux for non-gzip 2018-01-08 09:56:29 +01:00
Stéphane Lesimple
fa0850466e add some comments, enhance pti detection 2018-01-08 09:37:54 +01:00
Thibault Nélis
1aaca63dcf Improve "running as root" check 
Small issue with the USER environment variable:

  $ echo $USER
  thib
  $ sudo sh -c 'echo $USER'
  thib
  $ sudo -i sh -c 'echo $USER'
  root

Rather than recommending users to use sudo --login / -i, use the (very
widespread/portable) id program to retrieve the effective user ID
instead and don't change the recommendation.

  $ id -u
  1000
  $ sudo id -u
  0
  $ sudo -i id -u
  0
 2018-01-08 01:22:14 +01:00
Stéphane Lesimple
96dfa03c00 fix for uncompressed vmlinux case 2018-01-08 00:45:12 +01:00
Stéphane Lesimple
05c79425ab detect kpti directly in vmlinux if option is not there 2018-01-07 22:47:41 +01:00
Stéphane Lesimple
64eb1d005c add couple missing elses 2018-01-07 18:49:15 +01:00
Stéphane Lesimple
bffda8b3e7 remove dependency on rdmsr 2018-01-07 18:36:56 +01:00
Stéphane Lesimple
13f2133a97 cosmetic fix 2018-01-07 18:14:08 +01:00
Stéphane Lesimple
8c2fd0f0bb fix MSR reading, need rdmsr for now 2018-01-07 18:13:25 +01:00
Stéphane Lesimple
761c2b80e4 cosmetic fix 2018-01-07 17:19:37 +01:00
Stéphane Lesimple
d6977928e5 msg fix 2018-01-07 17:15:08 +01:00
Stéphane Lesimple
bd4c74331e add retpolines check 2018-01-07 16:57:14 +01:00
Stéphane Lesimple
82972f8790 fix status unknown for variant 1 2018-01-07 16:32:34 +01:00
Stéphane Lesimple
30de4f6336 remove hardcoded kernel image path 2018-01-07 16:25:50 +01:00
Stéphane Lesimple
9ed1fcd98a cosmetic + v0.02 2018-01-07 16:22:30 +01:00
Stéphane Lesimple
ef7c0d7ec5 add variant 1 check 2018-01-07 16:16:11 +01:00
Stéphane Lesimple
3b760822ff fix echo under some shells 2018-01-07 16:00:01 +01:00
Stéphane Lesimple
0201b02313 typofix 2018-01-07 15:37:50 +01:00
Stéphane Lesimple
c937e6603b add System.map way of detecting kpti build 2018-01-07 15:36:05 +01:00
Stéphane Lesimple
4211178b3a v0.01 2018-01-07 15:00:59 +01:00