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USN-7703-1
Vulnérabilité dans linux-lowlatency-hwe-6.8 (USN-7703-1)
Résumé
vulnérabilité dans linux-lowlatency-hwe-6.8 (USN-7703-1). Risque d'opérations non autorisées ou de divulgation. Atténuation : mise à jour vers `6.8.0-78.78.1~22.04.1` ou plus.
Résumé IA snake-internal / snake-material-v2
Une vulnérabilité référencée **USN-7703-1** a été découverte dans linux-lowlatency-hwe-6.8.
Risque d'opérations non autorisées ou de divulgation. Score CVSS : ?/10.
Action : mettez à jour linux-lowlatency-hwe-6.8 vers **6.8.0-78.78.1~22.04.1** ou supérieur.
En cas de doute, contactez votre service informatique ou cherchez « linux-lowlatency-hwe-6.8 USN-7703-1 » sur le site de l'éditeur.
USN-7703-1 (linux-lowlatency-hwe-6.8) —
Correctif : `6.8.0-78.78.1~22.04.1` — 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-lowlatency-hwe-6.8.
📍 Périmètre concerné
linux-lowlatency-hwe-6.8 — .
🔥 Gravité
Gravité : ?. Risque d'opérations non autorisées ou de divulgation
🔧 Comment corriger
Mettre à jour vers **6.8.0-78.78.1~22.04.1**.
🛡️ 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-lowlatency-hwe-6.8' . | 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-lowlatency-hwe-6.8` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade linux-lowlatency-hwe-6.8 to 6.8.0-78.78.1~22.04.1ステージング環境で 6.8.0-78.78.1~22.04.1 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:22.04:LTS
linux-lowlatency-hwe-6.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-78.78.1~22.04.1"}]}]
Ubuntu:24.04:LTS
linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-78.78"}]}]
Ubuntu:24.04:LTS
linux-aws
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1035.37"}]}]
Ubuntu:24.04:LTS
linux-lowlatency
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-78.78.1"}]}]
Ubuntu:Pro:Realtime:24.04:LTS
linux-realtime
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.1-1030.31"}]}]
Références
- advisory https://ubuntu.com/security/notices/USN-7703-1
- report https://ubuntu.com/security/CVE-2024-58088
- report https://ubuntu.com/security/CVE-2025-21706
- report https://ubuntu.com/security/CVE-2025-21746
- report https://ubuntu.com/security/CVE-2025-21773
- report https://ubuntu.com/security/CVE-2025-21775
- report https://ubuntu.com/security/CVE-2025-21783
- report https://ubuntu.com/security/CVE-2025-21784
- report https://ubuntu.com/security/CVE-2025-21790
- report https://ubuntu.com/security/CVE-2025-21793
- report https://ubuntu.com/security/CVE-2025-21836
- report https://ubuntu.com/security/CVE-2025-21847
- report https://ubuntu.com/security/CVE-2025-21854
- report https://ubuntu.com/security/CVE-2025-21856
- report https://ubuntu.com/security/CVE-2025-21864
- report https://ubuntu.com/security/CVE-2025-21867
- report https://ubuntu.com/security/CVE-2025-21868
- report https://ubuntu.com/security/CVE-2025-21869
- report https://ubuntu.com/security/CVE-2025-21870
- report https://ubuntu.com/security/CVE-2024-52559
- report https://ubuntu.com/security/CVE-2024-54456
- report https://ubuntu.com/security/CVE-2024-54458
- report https://ubuntu.com/security/CVE-2024-57834
- report https://ubuntu.com/security/CVE-2024-57977
- report https://ubuntu.com/security/CVE-2024-58020
- report https://ubuntu.com/security/CVE-2024-58086
- report https://ubuntu.com/security/CVE-2024-58093
- report https://ubuntu.com/security/CVE-2025-21704
- report https://ubuntu.com/security/CVE-2025-21712
- report https://ubuntu.com/security/CVE-2025-21758
- report https://ubuntu.com/security/CVE-2025-21759
- report https://ubuntu.com/security/CVE-2025-21760
- report https://ubuntu.com/security/CVE-2025-21761
- report https://ubuntu.com/security/CVE-2025-21762
- report https://ubuntu.com/security/CVE-2025-21763
- report https://ubuntu.com/security/CVE-2025-21764
- report https://ubuntu.com/security/CVE-2025-21765
- report https://ubuntu.com/security/CVE-2025-21766
- report https://ubuntu.com/security/CVE-2025-21767
- report https://ubuntu.com/security/CVE-2025-21768
- report https://ubuntu.com/security/CVE-2025-21772
- report https://ubuntu.com/security/CVE-2025-21776
- report https://ubuntu.com/security/CVE-2025-21779
- report https://ubuntu.com/security/CVE-2025-21780
- report https://ubuntu.com/security/CVE-2025-21781
- report https://ubuntu.com/security/CVE-2025-21782
- report https://ubuntu.com/security/CVE-2025-21785
- report https://ubuntu.com/security/CVE-2025-21786
- report https://ubuntu.com/security/CVE-2025-21787
- report https://ubuntu.com/security/CVE-2025-21791
- report https://ubuntu.com/security/CVE-2025-21792
- report https://ubuntu.com/security/CVE-2025-21795
- report https://ubuntu.com/security/CVE-2025-21796
- report https://ubuntu.com/security/CVE-2025-21821
- report https://ubuntu.com/security/CVE-2025-21823
- report https://ubuntu.com/security/CVE-2025-21835
- report https://ubuntu.com/security/CVE-2025-21838
- report https://ubuntu.com/security/CVE-2025-21839
- report https://ubuntu.com/security/CVE-2025-21844
- report https://ubuntu.com/security/CVE-2025-21846
- report https://ubuntu.com/security/CVE-2025-21848
- report https://ubuntu.com/security/CVE-2025-21853
- report https://ubuntu.com/security/CVE-2025-21855
- report https://ubuntu.com/security/CVE-2025-21857
- report https://ubuntu.com/security/CVE-2025-21858
- report https://ubuntu.com/security/CVE-2025-21859
- report https://ubuntu.com/security/CVE-2025-21861
- report https://ubuntu.com/security/CVE-2025-21862
- report https://ubuntu.com/security/CVE-2025-21863
- report https://ubuntu.com/security/CVE-2025-21866
- report https://ubuntu.com/security/CVE-2025-21871