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Author SHA1 Message Date
Stéphane Lesimple
bfa4de96e6 enh(l1tf): in paranoid mode, assume we're running a hypervisor unless stated otherwise 
This change ensures we check for SMT and advise the user to disable it for maximum security.
Doing this, we'll help users mitigate a whole range of vulnerabilities taking advantage of SMT to attack purely from userland other userland processes, as seen in CVE-2018-5407 (also see #261)
 2019-04-21 14:05:43 +02:00
Stéphane Lesimple
b022b27a51 feat(ssbd): in live mode, report whether the mitigation is active (fix #210) 2019-04-20 20:27:45 +02:00
Dario Faggioli
c4bae6ee6a IBRS kernel reported active even if sysfs has "IBRS_FW" only (#275) (#276) 
On a (pre-SkyLake) system, where /sys/.../vulnerabilities/spectre_v2 is
"Mitigation: Full generic retpoline, IBPB: conditional, IBRS_FW, RSB filling"

the tool, incorrectly, reports, a couple of lines above:
* IBRS enabled and active:  YES  (for kernel and firmware code)

Use '\<IBRS\>', as suggested by @jirislaby, in upstream issue #275
(https://github.com/speed47/spectre-meltdown-checker/issues/275) when
checking whether IBRS is enabled/active for the kernel.

With that, the output becomes:
* IBRS enabled and active:  YES  (for firmware code only)

which is actually the case.

I double checked that, if the same kernel is used on a post-SkyLake
hardware, which on openSUSE uses IBRS as, even with this change, the
tool (this time correctly) reports:
* IBRS enabled and active:  YES  (for kernel and firmware code)
 2019-04-20 14:04:29 +02:00
Stéphane Lesimple
23e7db044e fix(bsd): load vmm if not already loaded, fixes #274 
As we read sysctl values under the vmm hierarchy, the modules needs to be loaded,
so if not already done, we load it before testing for CVE-2018-3620 and CVE-2018-3646
 2019-04-19 19:47:04 +02:00
Stéphane Lesimple
fc4981bb94 update MCEDB from v84 to v96 2019-01-20 19:52:46 +01:00
Dajiang Zhong
419508758e add spectre and meltdown mitigation technologies checking for Hygon CPU (#271) 
* add spectre and meltdown mitigation technologies checking for Hygon CPU

* update microarhitecture name for Hygon CPU family 24 with moksha
 2019-01-20 19:32:36 +01:00
Stéphane Lesimple
d7d2e6934b fix: typo in bare metal detection (fixes #269) 2018-12-12 00:24:17 +01:00
Lily Wilson
904a83c675 Fix Arch kernel image detection (#268) 
currently, the script tries to use the wrong kernel image on Arch if an
alternative kernel (hardened, zen, or lts) is in use. Fortunately, all
the Arch kernel packages place a symlink to the kernel image as /usr/lib/modules/$(uname -r)/vmlinuz, so simply removing the guess for Arch fixes the issue.
 2018-12-10 19:36:58 +01:00
Rob Gill
906f54cf9d Improved hypervisor detection (#259) 
* Code consistency

``` opt_batch_format="text" ``` replaced by ``` opt_batch_format='text' ```
```nrpe_vuln='"" ``` replaced by ``` nrpe_vuln='' ``` , as used by other parse options

Redundant ``` ! -z ``` replaced by ``` -n ```, as used elsewhere

Signed-off-by: Rob Gill <rrobgill@protonmail.com>

* Improved hypervisor detection

Tests for presence of hypervisor flag in /proc/cpuino
Tests for evidence of hypervisor in dmesg

Signed-off-by: Rob Gill <rrobgill@protonmail.com>

* formatting fix

Signed-off-by: Rob Gill <rrobgill@protonmail.com>

* Set $l1d_mode to -1 in cases where cpu/vulnerabilities/l1tf is not available

(prevents invalid number error when evaluating [ "$l1d_mode" -ge 1 ])

Signed-off-by: Rob Gill <rrobgill@protonmail.com>

* Update Intel Atom 6 cpu names to align with kernel

Update processor names of atom 6 family processors to align with those from kernel as of October 2018.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/x86/include/asm/intel-family.h?id=f2c4db1bd80720cd8cb2a5aa220d9bc9f374f04e
Update list of known immune processors from
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/arch/x86/kernel/cpu/common.c?id=f2c4db1bd80720cd8cb2a5aa220d9bc9f374f04e

* Fix unset $l1d_mode

Another instance of unset l1d_mode causing error "./spectre-meltdown-checker.sh: 3867: [: Illegal number:"

* chore: update readme with brief summary of L1tfs

L1tf mitigation and impact details from

https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html and https://blogs.oracle.com/oraclesecurity/intel-l1tf

* typo
 2018-12-10 19:33:07 +01:00
Brett T. Warden
c45a06f414 Warn on missing kernel info (#265) 
Missing kernel information can cause all sorts of false positives or
negatives. This is worth at least a warning, and repeating immediately
following the status.
 2018-11-25 18:37:03 +01:00
Brett T. Warden
4a6fa070a4 Fix misdetection of files under Clear Linux (#264) 2018-11-25 18:14:04 +01:00
Stéphane Lesimple
c705afe764 bump to v0.40 2018-10-03 20:56:46 +02:00
Stanislav Kholmanskikh
401ccd4b14 Correct aarch64 KPTI dmesg message 
As it's seen in unmap_kernel_at_el0 (both the function definition
and its usage in arm64_features[]) from arch/arm64/kernel/cpufeature.c
the kernel reports this string:

CPU features: detected: Kernel page table isolation (KPTI)

or (before commit e0f6429dc1c0 ("arm64: cpufeature: Remove redundant "feature"
in reports")):

CPU features: detected feature: Kernel page table isolation (KPTI)

if KPTI is enabled on the system.

So on let's adjust check_variant3_linux() to make it grep these
strings if executed on an aarch64 platform.

Tested on a Cavium ThunderX2 machine.

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
 2018-10-03 20:49:55 +02:00
Stanislav Kholmanskikh
55120839dd Fix a typo in check_variant3_linux() 
Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
 2018-10-03 20:49:55 +02:00
Stéphane Lesimple
f5106b3c02 update MCEDB from v83 to v84 (no actual change) 2018-09-30 16:57:35 +02:00
Stéphane Lesimple
68289dae1e feat: add --update-builtin-mcedb to update the DB inside the script 2018-09-30 16:56:58 +02:00
Stéphane Lesimple
3b2d529654 feat(l1tf): read & report ARCH_CAPABILITIES bit 3 (SKIP_VMENTRY_L1DFLUSH) 2018-09-29 13:16:07 +02:00
Stéphane Lesimple
cbb18cb6b6 fix(l1tf): properly detect status under Red Hat/CentOS kernels 2018-09-29 13:01:13 +02:00
Stéphane Lesimple
299103a3ae some fixes when script is not started as root 2018-09-29 13:01:13 +02:00
Stéphane Lesimple
dc5402b349 chore: speed optimization of hw check and indentation fixes 2018-09-29 13:01:13 +02:00
Stéphane Lesimple
90c2ae5de2 feat: use the MCExtractor DB as the reference for the microcode versions 
Use platomav's MCExtractor DB as the reference to decide whether our CPU microcode is the latest or not.
We have a builtin version of the DB in the script, but an updated version can be fetched and stored locally with --update-mcedb
 2018-09-29 13:01:13 +02:00
Michael Lass
53d6a44754 Fix detection of CVE-2018-3615 (L1TF_SGX) (#253) 
* Add another location of Arch Linux ARM kernel

* Fix detection of CVE-2018-3615

We change the value of variantl1tf in the line directly before so its
value will never be "immune". Instead we can directly use the value of
variantl1tf to initialize variantl1tf_sgx.
 2018-09-29 11:35:10 +02:00
Stéphane Lesimple
297d890ce9 fix ucode version check regression introduced by fbbb19f under BSD 2018-09-23 15:00:39 +02:00
Stéphane Lesimple
0252e74f94 feat(bsd): implement CVE-2018-3620 and CVE-2018-3646 mitigation detection 2018-09-22 12:26:56 +02:00
Nicolas Sauzede
fbbb19f244 Fix cases where a CPU ucode version is not found in $procfs/cpuinfo. (#246) 
* Fix cases where a CPU ucode version is not found in $procfs/cpuinfo.

When running whithin a virtual machine, it seems like $procfs/cpuinfo doesn't contain
a 'microcode' line, which triggers a script runtime error.
Fall back to '0x0' in this case, as other part of the script seems to already this
as a default value anyway.

* Double quote to prevent globbing and word splitting.
 2018-09-19 22:00:59 +02:00
Stéphane Lesimple
1571a56ce2 feat: add L1D flush cpuid feature bit detection 2018-09-19 09:05:23 +02:00
Stéphane Lesimple
3cf9141601 fix: don't display summary if no CVE was tested (e.g. --hw-only) 2018-09-19 09:04:52 +02:00
Stéphane Lesimple
bff38f1b26 BSD: add not-implemented-yet notice for Foreshadow-NG 2018-09-18 22:06:01 +02:00
Stéphane Lesimple
b419fe7c63 feat(variant4): properly detect SSBD under BSD 2018-09-18 22:00:32 +02:00
alexvong1995
f193484a4a chore: fix deprecated SPDX license identifier (#249) (#251) 
The SPDX license identifier 'GPL-3.0' has been deprecated according to
<https://spdx.org/licenses/GPL-3.0.html>.
 2018-09-18 20:00:53 +02:00
Laszlo Toth
349d77b3b6 Fix kernel detection when /lib/kernel exists on a distro (#252) 
Commit b48b2177b7 ("feat: Add Clear Linux Distro (#244)") broke kernel
detection for distros using that directory for other purposes than
storing the kernel image.

Example:
 # pacman -Qo /lib/kernel
/usr/lib/kernel/ is owned by mkinitcpio 24-2
/usr/lib/kernel/ is owned by systemd 239.2-1

Signed-off-by: Laszlo Toth <laszlth@gmail.com>
 2018-09-18 20:00:20 +02:00
Stéphane Lesimple
e589ed7f02 fix: don't test SGX again in check_CVE_2018_3615, already done by is_cpu_vulnerable 2018-09-17 22:28:04 +02:00
Stéphane Lesimple
ae1206288f fix: remove some harcoded /proc paths, use $procfs instead 2018-09-17 22:26:20 +02:00
Stéphane Lesimple
7b72c20f89 feat(l1tf): explode L1TF in its 3 distinct CVEs 2018-09-17 21:44:48 +02:00
Luis Ponce
b48b2177b7 feat: Add Clear Linux Distro (#244) 
Add path of Clear Linux kernel binary and kernel config file.
 2018-09-15 15:51:49 +02:00
Pierre Gaxatte
8f31634df6 feat(batch): Add a batch short option for one line result (#243) 
When using this script on a large amount a machine (via clustershell or
instance) it can be easier to have a very short result on one line
showing only the vulnerabilities
 2018-09-15 15:45:10 +02:00
Luis Ponce
96798b1932 chore: add SPDX GPL-3.0 license identifier (#245) 
The spectre-meltdown-checker.sh file is missing licensing information.
The SPDX identifier is a legally binding shorthand, which can be
used instead of the full boiler plate text.
 2018-09-15 15:33:41 +02:00
Stéphane Lesimple
687ce1a7fa fix: load cpuid module if absent even when /dev/cpu/0/cpuid is there 2018-09-08 23:15:50 +02:00
Stéphane Lesimple
80e0db7cc4 fix: don't show erroneous ucode version when latest version is unknown (fixes #238) 2018-08-28 20:51:46 +02:00
David Guglielmi
e8890ffac6 feat(config): support for genkernel kernel config file (#239) 
Add support for distributions using genkernel.
 2018-08-28 20:24:37 +02:00
Karsten Weiss
afb36c519d Fix typo: 'RBS filling' => 'RSB filling' (#237) 2018-08-18 12:05:17 +02:00
Stéphane Lesimple
0009c0d473 fix: --batch now implies --no-color to avoid colored warnings 2018-08-18 12:04:18 +02:00
Stéphane Lesimple
dd67fd94d7 feat: add FLUSH_CMD MSR availability detection (part of L1TF mitigation) 2018-08-16 19:05:09 +02:00
Stéphane Lesimple
339ad31757 fix: add missing l1tf CPU vulnerability display in hw section 2018-08-16 15:19:29 +02:00
Stéphane Lesimple
794c5be1d2 feat: add optional git describe support to display inter-release version numbers 2018-08-16 15:18:47 +02:00
Stéphane Lesimple
a7afc585a9 fix several incorrect ucode version numbers 2018-08-16 10:51:55 +02:00
Stéphane Lesimple
fc1dffd09a feat: implement detection of latest known versions of intel microcodes 2018-08-15 12:53:49 +02:00
Stéphane Lesimple
e942616189 feat: initial support for L1TF 2018-08-15 12:05:08 +02:00
Stéphane Lesimple
360be7b35f fix: hide arch_capabilities_msr_not_read warning under !intel 2018-08-13 15:42:56 +02:00
Stéphane Lesimple
5f59257826 bump to v0.39 2018-08-13 15:33:03 +02:00
Stéphane Lesimple
92d59cbdc1 chore: adjust some comments, add 2 missing inits 2018-08-11 10:31:10 +02:00
Stéphane Lesimple
4747b932e7 feat: add detection of RSBA feature bit and adjust logic accordingly 2018-08-10 10:26:23 +02:00
Stéphane Lesimple
860023a806 fix: ARCH MSR was not read correctly, preventing proper SSB_NO and RDCL_NO detection 2018-08-10 10:26:23 +02:00
Stéphane Lesimple
ab67a9221d feat: read/write msr now supports msr-tools or perl as dd fallback 2018-08-10 10:26:23 +02:00
0x9fff00
f4592bf3a8 Add Arch armv5/armv7 kernel image location (#227) 2018-08-09 22:13:30 +02:00
Stéphane Lesimple
be15e47671 chore: setting master to v0.38+ 2018-08-09 14:25:22 +02:00
Nathan Parsons
d3481d9524 Add support for the kernel being within a btrfs subvolume (#226) 
- /boot may be within a named root subvolume (eg. "/@/boot")
- /boot may be in its own subvolume (eg. "/@boot")
 2018-08-09 14:00:35 +02:00
Stéphane Lesimple
21af561148 bump to v0.38 2018-08-07 10:55:50 +02:00
Stéphane Lesimple
cb740397f3 feat(arm32): add spectrev1 mitigation detection 2018-08-07 10:42:03 +02:00
Stéphane Lesimple
84195689af change: default to --no-explain, use --explain to get detailed mitigation help 2018-08-04 16:31:41 +02:00
Stéphane Lesimple
b637681fa8 fix: debug output: msg inaccuracy for ARM checks 2018-08-04 16:19:54 +02:00
Stéphane Lesimple
9316c30577 fix: armv8: models < 0xd07 are not vulnerable 2018-08-04 16:19:54 +02:00
Lily Wilson
f9dd9d8cb9 add guess for archlinuxarm aarch64 kernel image on raspberry pi 3 (#222) 2018-08-01 00:15:52 +02:00
Stéphane Lesimple
0f0d103a89 fix: correctly init capabilities_ssb_no var in all cases 2018-07-26 10:18:14 +02:00
Stéphane Lesimple
b262c40541 fix: remove spurious character after an else statement 2018-07-25 21:55:50 +02:00
Stéphane Lesimple
cc2910fbbc fix: read_cpuid: don't use iflag=skip_bytes for compat with old dd versions 
This closes #215 #199 #193
 2018-07-23 09:12:30 +02:00
manish jaggi
30c4a1f6d2 arm64: cavium: Add CPU Implementer Cavium (#216) 
This patch adds 0x43 check for cavium implementor id in function
parse_cpu_details. Also adds that Cavium Soc is not vulnerable to variant 3/3a

Signed-off-by: Manish Jaggi <manish.jagg@cavium.com>
 2018-07-22 19:06:19 +02:00
Stéphane Lesimple
cf06636a3f fix: prometheus output: use printf for proper \n interpretation (#204) 2018-06-21 23:35:51 +02:00
Stéphane Lesimple
60077c8d12 fix(arm): rewrite vuln logic from latest arm statement for Cortex A8 to A76 2018-06-21 23:24:18 +02:00
Rob Gill
c181978d7c fix(arm): Updated arm cortex status (#209) 
* Cortex A8 Vulnerable

Arm Cortex A8 is vulnerable to variants 1 & 2  (https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability)

Part number is 0xc08 (https://developer.arm.com/docs/ddi0344/b/system-control-coprocessor/system-control-coprocessorregisters/c0-main-id-register)

False negative reported by @V10lator in #206

* ARM Cortex A12 Vulnerable to 1&2

https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability

* A76 vulnerable to variant 4

All arch 8 cortex A57-A76 are vulnerable to variant 4.

https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability

* Whitelist variant4 nonvuln Arms

* ARM Cortex Whitelist & Cumulative Blacklist

Applies all information about vulnerabilities of ARM Cortex processors (from https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability).

Whitelist & blacklist approach, using both vulnerable and non vulnerable status for each identified CPU, with vulnerabilities tracked cumulatively for multi CPU systems.
 2018-06-16 12:14:39 +02:00
Rob Gill
5962d20ba7 fix(variant4): whitelist from common.c::cpu_no_spec_store_bypass (#202) 
* variant4 from common.c::cpu_no_spec_store_bypass

Variant 4 - Add function to 'whitelist' the hand-full of CPUs unaffected by speculative store bypass. 

This would allow improved determination of variant 4 status ( #189 ) of immune CPUs while waiting for the 4.17/stable patches to be backported to distro kernels.

Source of cpu list : https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/kernel/cpu/common.c#n945)
Modeled after is_cpu_specex_free()

* amd families fix

amd families are reported by parse_cpu_details() in decimal

* remove duplicates

Only list processors which speculate and are immune to variant 4.
Avoids duplication with non-speculating CPUs listed in is_cpu_specex_free()
 2018-05-27 15:14:29 +02:00
Rob Gill
17a3488505 fix(help): add missing references to variants 3a & 4 (#201) 2018-05-24 16:35:57 +02:00
Stéphane Lesimple
e54e8b3e84 chore: remove warning in README, fix display indentation 2018-05-24 16:32:53 +02:00
Stéphane Lesimple
39c778e3ac fix(amd): AMD families 0x15-0x17 non-arch MSRs are a valid way to control SSB 2018-05-23 23:08:07 +02:00
Stéphane Lesimple
2cde6e4649 feat(ssbd): add detection of proper CPUID bits on AMD 2018-05-23 22:50:52 +02:00
Stéphane Lesimple
f4d51e7e53 fix(variant4): add another detection way for Red Hat kernel 2018-05-23 22:47:54 +02:00
Stéphane Lesimple
85d46b2799 feat(variant4): add more detailed explanations 2018-05-23 21:08:58 +02:00
Stéphane Lesimple
61e02abd0c feat(variant3a): detect up to date microcode 2018-05-23 21:08:08 +02:00
Stéphane Lesimple
114756fab7 fix(amd): not vulnerable to variant3a 2018-05-23 20:38:43 +02:00
Rob Gill
ea75969eb7 fix(help): Update variant options in usage message (#200) 2018-05-22 15:54:25 +02:00
Stéphane Lesimple
ca391cbfc9 fix(variant2): correctly detect IBRS/IBPB in SLES kernels 2018-05-22 12:06:46 +02:00
Stéphane Lesimple
68af5c5f92 feat(variant4): detect SSBD-aware kernel 2018-05-22 12:05:46 +02:00
Stéphane Lesimple
f75cc0bb6f feat(variant4): add sysfs mitigation hint and some explanation about the vuln 2018-05-22 09:39:11 +02:00
Stéphane Lesimple
f33d65ff71 feat(variant3a): add information about microcode-sufficient mitigation 2018-05-22 09:38:29 +02:00
Stéphane Lesimple
725eaa8bf5 feat(arm): adjust vulnerable ARM CPUs for variant3a and variant4 2018-05-22 09:19:29 +02:00
Stéphane Lesimple
c6ee0358d1 feat(variant4): report SSB_NO CPUs as not vulnerable 2018-05-22 09:18:30 +02:00
Stéphane Lesimple
22d0b203da fix(ssb_no): rename ssbd_no to ssb_no and fix shift 2018-05-22 00:38:31 +02:00
Stéphane Lesimple
3062a8416a fix(msg): add missing words 2018-05-22 00:10:08 +02:00
Stéphane Lesimple
6a4318addf feat(variant3a/4): initial support for 2 new CVEs 2018-05-22 00:06:56 +02:00
Stéphane Lesimple
c19986188f fix(variant2): adjust detection for SLES kernels 2018-05-19 09:53:12 +02:00
Rob Gill
7e4899bcb8 ibrs can't be enabled on no ibrs cpu (#195) 
* ibrs can't be enabled on no ibrs cpu

If the cpu is identified, and does not support SPEC_CTRL or IBRS, then ibrs can't be enabled, even if supported by the kernel.
Instead of reporting IBRS enabled and active UNKNOWN, report IBRS enabled and active NO.
 2018-05-17 15:39:48 +02:00
rrobgill
5cc77741af Update spectre-meltdown-checker.sh 2018-05-05 13:00:44 +02:00
rrobgill
1c0f6d9580 cpuid and msr module check 
This adds a check before loading the cpuid and msr modules under linux, ensuring they are not unloaded in exit_cleanup() if they were initially present.
 2018-05-05 13:00:44 +02:00
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
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
aa74315df4 feat: speed up kernel version detection 2018-03-25 13:42:19 +02:00
Stéphane Lesimple
0b8a09ec70 fix: mis adjustments for BSD compat 2018-03-25 13:26:00 +02:00
Stéphane Lesimple
b42d8f2f27 fix(write_msr): use /dev/zero instead of manually echoing zeroes 2018-03-25 12:53:50 +02:00
Stéphane Lesimple
f191ec7884 feat: add --hw-only to only show CPU microcode/cpuid/msr details 2018-03-25 12:48:37 +02:00
Stéphane Lesimple
28da7a0103 misc: message clarifications 2018-03-25 12:48:03 +02:00
Stéphane Lesimple
ece25b98a1 feat: implement support for NetBSD/FreeBSD/DragonFlyBSD 2018-03-25 12:28:02 +02:00
Stéphane Lesimple
889172dbb1 feat: add special extract_vmlinux mode for old RHEL kernels 2018-03-25 11:55:44 +02:00
Stéphane Lesimple
37ce032888 fix: bypass MSR/CPUID checks for non-x86 CPUs 2018-03-25 11:55:44 +02:00
Stéphane Lesimple
701cf882ad feat: more robust validation of extracted kernel image 2018-03-25 11:55:44 +02:00
Stéphane Lesimple
6a94c3f158 feat(extract_vmlinux): look for ELF magic in decompressed blob and cut at found offset 2018-03-25 11:55:42 +02:00