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USN-7392-2
Vulnérabilité dans linux-azure-fips (USN-7392-2)
Résumé
vulnérabilité dans linux-azure-fips (USN-7392-2). Risque d'opérations non autorisées ou de divulgation. Atténuation : mise à jour vers `5.4.0-1147.154+fips1` ou plus.
Résumé IA snake-internal / snake-material-v2
Une vulnérabilité référencée **USN-7392-2** a été découverte dans linux-azure-fips.
Risque d'opérations non autorisées ou de divulgation. Score CVSS : ?/10.
Action : mettez à jour linux-azure-fips vers **5.4.0-1147.154+fips1** ou supérieur.
En cas de doute, contactez votre service informatique ou cherchez « linux-azure-fips USN-7392-2 » sur le site de l'éditeur.
USN-7392-2 (linux-azure-fips) —
Correctif : `5.4.0-1147.154+fips1` — appliquer immédiatement
Plan : 1) Audit SBOM, 2) Mise à jour staging→prod, 3) Surveillance WAF/proxy sur les endpoints affectés, 4) Recherche d'IOC dans les logs.
Réfs : voir GHSA / avis éditeur / version corrigée liés sur cette page.
❓ Quel est le problème
Une **vulnérabilité** (non classée) affecte linux-azure-fips.
📍 Périmètre concerné
linux-azure-fips — .
🔥 Gravité
Gravité : ?. Risque d'opérations non autorisées ou de divulgation
🔧 Comment corriger
Mettre à jour vers **5.4.0-1147.154+fips1**.
🛡️ Contournement
En attendant le correctif : désactivez la fonctionnalité concernée, appliquez des règles WAF, ou restreignez l'accès par ACL réseau.
🔍 Détection
Recherchez dans les logs des requêtes correspondant aux IOC connus de cette CVE. Auditez les SBOM/dépendances.
Actions de réponse (7 étapes)
Étapes concrètes et exemples de commandes que les équipes SOC/SRE doivent exécuter dans l'ordre
-
1Identify exposure identify
grep -r 'linux-azure-fips' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `linux-azure-fips` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade linux-azure-fips to 5.4.0-1147.154+fips1ステージング環境で 5.4.0-1147.154+fips1 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
-
7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Paquets affectés
Ubuntu:Pro:FIPS-updates:20.04:LTS
linux-azure-fips
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1147.154+fips1"}]}]
Ubuntu:Pro:FIPS-updates:20.04:LTS
linux-gcp-fips
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1145.154+fips1"}]}]
Références
- advisory https://ubuntu.com/security/notices/USN-7392-2
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- report https://ubuntu.com/security/CVE-2024-56576
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- report https://ubuntu.com/security/CVE-2024-56586
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