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https://github.com/speed47/spectre-meltdown-checker.git
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34
.github/workflows/autoupdate.yml
vendored
34
.github/workflows/autoupdate.yml
vendored
@@ -1,34 +0,0 @@
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name: autoupdate
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on:
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workflow_dispatch:
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schedule:
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- cron: '42 9 * * *'
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jobs:
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autoupdate:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: Install prerequisites
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run: sudo apt-get update && sudo apt-get install -y --no-install-recommends iucode-tool sqlite3 unzip
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- name: Update microcode versions
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run: ./spectre-meltdown-checker.sh --update-builtin-fwdb
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- name: Check git diff
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id: diff
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run: |
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echo change="$(git diff spectre-meltdown-checker.sh | awk '/MCEDB/ { if(V) { print V" to "$4; exit } else { V=$4 } }')" >> "$GITHUB_OUTPUT"
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echo nbdiff="$(git diff spectre-meltdown-checker.sh | grep -cE -- '^\+# [AI],')" >> "$GITHUB_OUTPUT"
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git diff
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cat "$GITHUB_OUTPUT"
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- name: Create Pull Request if needed
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if: steps.diff.outputs.nbdiff != '0'
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uses: peter-evans/create-pull-request@v7
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with:
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token: ${{ secrets.SMC_PR_PAT }}
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branch: autoupdate-fwdb
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commit-message: "update: fwdb from ${{ steps.diff.outputs.change }}, ${{ steps.diff.outputs.nbdiff }} microcode changes"
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title: "[Auto] Update fwdb from ${{ steps.diff.outputs.change }}"
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body: |
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Automated PR to update fwdb from ${{ steps.diff.outputs.change }}
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Detected ${{ steps.diff.outputs.nbdiff }} microcode changes
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12
.github/workflows/check.yml
vendored
12
.github/workflows/check.yml
vendored
@@ -24,7 +24,7 @@ jobs:
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fi
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- name: check direct execution
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run: |
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expected=19
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expected=18
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nb=$(sudo ./spectre-meltdown-checker.sh --batch json | jq '.[]|.CVE' | wc -l)
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if [ "$nb" -ne "$expected" ]; then
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echo "Invalid number of CVEs reported: $nb instead of $expected"
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@@ -32,11 +32,11 @@ jobs:
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else
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echo "OK $nb CVEs reported"
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fi
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- name: check docker compose run execution
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- name: check docker-compose run execution
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run: |
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expected=19
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docker compose build
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nb=$(docker compose run --rm spectre-meltdown-checker --batch json | jq '.[]|.CVE' | wc -l)
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expected=18
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docker-compose build
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nb=$(docker-compose run --rm spectre-meltdown-checker --batch json | jq '.[]|.CVE' | wc -l)
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if [ "$nb" -ne "$expected" ]; then
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echo "Invalid number of CVEs reported: $nb instead of $expected"
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exit 1
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@@ -45,7 +45,7 @@ jobs:
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fi
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- name: check docker run execution
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run: |
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expected=19
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expected=18
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docker build -t spectre-meltdown-checker .
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nb=$(docker run --rm --privileged -v /boot:/boot:ro -v /dev/cpu:/dev/cpu:ro -v /lib/modules:/lib/modules:ro spectre-meltdown-checker --batch json | jq '.[]|.CVE' | wc -l)
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if [ "$nb" -ne "$expected" ]; then
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14
README.md
14
README.md
@@ -23,7 +23,6 @@ CVE
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[CVE-2022-40982](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40982) | Gather Data Sampling | GDS, Downfall
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[CVE-2023-20569](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20569) | Return Address Security | Inception, RAS, SRSO
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[CVE-2023-20593](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20593) | Cross-Process Information Leak | Zenbleed
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[CVE-2023-23583](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23583) | Redundant Prefix issue | Reptar
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Supported operating systems:
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- Linux (all versions, flavors and distros)
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@@ -76,13 +75,10 @@ sudo ./spectre-meltdown-checker.sh
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#### With docker-compose
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```shell
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docker compose build
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docker compose run --rm spectre-meltdown-checker
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docker-compose build
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docker-compose run --rm spectre-meltdown-checker
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```
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Note that on older versions of docker, `docker-compose` is a separate command, so you might
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need to replace the two `docker compose` occurences above by `docker-compose`.
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#### Without docker-compose
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```shell
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@@ -203,9 +199,3 @@ docker run --rm --privileged -v /boot:/boot:ro -v /dev/cpu:/dev/cpu:ro -v /lib/m
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- Impact: Kernel & all software
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- Mitigation: either kernel mitigation by disabling a CPU optimization through an MSR bit, or CPU microcode mitigation
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- Performance impact of the mitigation: TBD
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**CVE-2023-23583** Redundant Prefix issue (Reptar)
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- Impact: All software
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- Mitigation: microcode update for the affected CPU
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- Performance impact of the mitigation: low
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@@ -1,3 +1,5 @@
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version: '2'
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services:
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spectre-meltdown-checker:
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build:
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