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UBUNTU-CVE-2024-50066

Vulnérabilité dans linux-hwe-edge (UBUNTU-CVE-2024-50066)

Résumé

Vulnérabilité dans linux-hwe-edge (UBUNTU-CVE-2024-50066). L'exploitation peut entraîner la prise de contrôle totale du système. Atténuation : mise à jour vers 6.8.0-1027.29~22.04.1 ou plus.

Description d'origine

La description telle que publiée par la source (souvent en anglais).

In the Linux kernel, the following vulnerability has been resolved: mm/mremap: fix move_normal_pmd/retract_page_tables race In mremap(), move_page_tables() looks at the type of the PMD entry and the specified address range to figure out by which method the next chunk of page table entries should be moved. At that point, the mmap_lock is held in write mode, but no rmap locks are held yet. For PMD entries that point to page tables and are fully covered by the source address range, move_pgt_entry(NORMAL_PMD, ...) is called, which first takes rmap locks, then does move_normal_pmd(). move_normal_pmd() takes the necessary page table locks at source and destination, then moves an entire page table from the source to the destination. The problem is: The rmap locks, which protect against concurrent page table removal by retract_page_tables() in the THP code, are only taken after the PMD entry has been read and it has been decided how to move it. So we can race as follows (with two processes that have mappings of the same tmpfs file that is stored on a tmpfs mount with huge=advise); note that process A accesses page tables through the MM while process B does it through the file rmap: process A process B ========= ========= mremap mremap_to move_vma move_page_tables get_old_pmd alloc_new_pmd *** PREEMPT *** madvise(MADV_COLLAPSE) do…

Source: OSV.dev (Open Source Vulnerabilities) OSV

Résumé généré automatiquement

Assemblé par SecPulse à partir des données sources (CVSS, CWE, versions affectées) à l'aide de modèles, sans IA. Vérifiez la description d'origine et les références ci-dessous.

Une vulnérabilité référencée UBUNTU-CVE-2024-50066 a été découverte dans linux-hwe-edge.
L'exploitation peut entraîner la prise de contrôle totale du système.
Action : mettez à jour linux-hwe-edge vers 6.8.0-1027.29~22.04.1 ou supérieur.
En cas de doute, contactez votre service informatique ou cherchez « linux-hwe-edge UBUNTU-CVE-2024-50066 » sur le site de l'éditeur.

UBUNTU-CVE-2024-50066 (linux-hwe-edge)
Vecteur d'attaque : local / sans interaction utilisateur
Correctif : 6.8.0-1027.29~22.04.1 — 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-hwe-edge.

📍 Périmètre concerné

Consultez l'avis de l'éditeur pour les versions affectées de linux-hwe-edge.

🔥 Gravité

Gravité : ?. L'exploitation peut entraîner la prise de contrôle totale du système.

🔧 Comment corriger

Mettre à jour vers 6.8.0-1027.29~22.04.1.

🛡️ 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

Étapes concrètes et exemples de commandes que les équipes SOC/SRE doivent exécuter dans l'ordre

1
Identify exposure identify
```
grep -r 'linux-hwe-edge' . | 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-hwe-edge を grep し、稼働しているサービス・バージョンを把握する。
2
Apply patch patch
```
Upgrade linux-hwe-edge to 6.8.0-1027.29~22.04.1
```
ステージング環境で 6.8.0-1027.29~22.04.1 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を含めること。
3
Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Paquets affectés

Ubuntu:16.04:LTS linux-hwe-edge

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-aws-5.0

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-aws-5.3

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-azure

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-azure-5.3

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-azure-edge

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-gcp

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-gcp-5.3

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-gke-4.15

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-gke-5.4

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-gkeop-5.4

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-hwe

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-oem

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-oracle-5.0

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:18.04:LTS linux-oracle-5.3

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-aws-5.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-aws-5.13

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-aws-5.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-azure-5.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-azure-5.13

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-azure-5.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-azure-fde

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-gcp-5.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-gcp-5.13

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-gcp-5.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-gke

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-gke-5.15

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-hwe-5.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-hwe-5.13

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-hwe-5.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-intel-5.13

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-oem-5.10

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-oem-5.13

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-oem-5.14

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-oem-5.6

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-oracle-5.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-oracle-5.13

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-oracle-5.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-raspi2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-riscv

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-riscv-5.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:20.04:LTS linux-riscv-5.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-allwinner-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-aws-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-aws-6.2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-aws-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-aws-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1027.29~22.04.1"}]}]

Ubuntu:22.04:LTS linux-azure-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-azure-6.2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-azure-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-azure-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1025.30~22.04.1"}]}]

Ubuntu:22.04:LTS linux-azure-fde-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-azure-fde-6.2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-gcp-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-gcp-6.2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-gcp-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-gcp-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1026.28~22.04.1"}]}]

Ubuntu:22.04:LTS linux-hwe-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-hwe-6.2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-hwe-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-hwe-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-57.59~22.04.1"}]}]

Ubuntu:22.04:LTS linux-ibm-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1023.23~22.04.1"}]}]

Ubuntu:22.04:LTS linux-intel-iot-realtime

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-lowlatency-hwe-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-lowlatency-hwe-6.2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-lowlatency-hwe-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-lowlatency-hwe-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-56.58.1~22.04.1"}]}]

Ubuntu:22.04:LTS linux-nvidia-6.2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-nvidia-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-nvidia-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1024.27~22.04.1"}]}]

Ubuntu:22.04:LTS linux-oem-5.17

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-oem-6.0

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-oem-6.1

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-oem-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-oracle-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-oracle-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1022.23~22.04.1"}]}]

Ubuntu:22.04:LTS linux-realtime

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-riscv

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-riscv-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-riscv-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-riscv-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-56.58.1~22.04.1"}]}]

Ubuntu:22.04:LTS linux-starfive-5.19

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-starfive-6.2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:22.04:LTS linux-starfive-6.5

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:Pro:Realtime:22.04:LTS linux-realtime-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.1-1018.19~22.04.1"}]}]

Ubuntu:24.04:LTS linux

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-56.58"}]}]

Ubuntu:24.04:LTS linux-aws

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1025.27"}]}]

Ubuntu:24.04:LTS linux-azure

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1025.30"}]}]

Ubuntu:24.04:LTS linux-azure-6.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.0-1012.12~24.04.1"}]}]

Ubuntu:24.04:LTS linux-azure-nvidia

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1014.15"}]}]

Ubuntu:24.04:LTS linux-gcp

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1026.28"}]}]

Ubuntu:24.04:LTS linux-gcp-6.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.0-1011.11~24.04.1"}]}]

Ubuntu:24.04:LTS linux-gke

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1021.25"}]}]

Ubuntu:24.04:LTS linux-gkeop

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1008.10"}]}]

Ubuntu:24.04:LTS linux-ibm

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1022.22"}]}]

Ubuntu:24.04:LTS linux-lowlatency

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-56.58.1"}]}]

Ubuntu:24.04:LTS linux-nvidia

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1024.27"}]}]

Ubuntu:24.04:LTS linux-nvidia-6.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.0-1007.7"}]}]

Ubuntu:24.04:LTS linux-nvidia-lowlatency

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1024.27.1"}]}]

Ubuntu:24.04:LTS linux-nvidia-tegra

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1004.4"}]}]

Ubuntu:24.04:LTS linux-oem-6.11

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.0-1015.15"}]}]

Ubuntu:24.04:LTS linux-oem-6.8

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1024.24"}]}]

Ubuntu:24.04:LTS linux-oracle

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1022.23"}]}]

Ubuntu:24.04:LTS linux-raspi

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1028.32"}]}]

Ubuntu:24.04:LTS linux-raspi-realtime

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:24.04:LTS linux-realtime

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:24.04:LTS linux-riscv

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-56.58.1"}]}]

Ubuntu:24.04:LTS linux-xilinx

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1017.18"}]}]

Ubuntu:Pro:FIPS-updates:24.04:LTS linux-fips

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-78.78+fips1"}]}]

Ubuntu:Pro:Realtime:24.04:LTS linux-raspi-realtime

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-2023.24"}]}]

Ubuntu:Pro:Realtime:24.04:LTS linux-realtime

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.1-1018.19"}]}]

Références

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