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USN-4094-1

Vulnerability in linux-azure (USN-4094-1)

Summary

vulnerability in linux-azure (USN-4094-1). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `4.15.0-1055.60` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **USN-4094-1** has been found in linux-azure. Risk of unauthorized operations or information disclosure. CVSS score: ?/10. What to do: upgrade linux-azure to **4.15.0-1055.60** or later. If unsure, ask your IT team or search "linux-azure USN-4094-1" on the vendor's site.
USN-4094-1 (linux-azure) — Patched: `4.15.0-1055.60` — apply immediately Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs. Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (unclassified) exists in linux-azure.
📍 Affected scope
linux-azure — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **4.15.0-1055.60**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'linux-azure' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response Actions (7 steps)

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    grep -r 'linux-azure' . | 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` を grep し、稼働しているサービス・バージョンを把握する。

  2. 6
    Apply patch patch 
    Upgrade linux-azure to 4.15.0-1055.60

    ステージング環境で 4.15.0-1055.60 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。

  3. 7
    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 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。

Affected packages

Ubuntu:16.04:LTS linux-azure
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1055.60"}]}]
Ubuntu:16.04:LTS linux-gcp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1040.42~16.04.1"}]}]
Ubuntu:16.04:LTS linux-hwe
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-58.64~16.04.1"}]}]
Ubuntu:16.04:LTS linux-oracle
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1021.23~16.04.1"}]}]
Ubuntu:18.04:LTS linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-58.64"}]}]
Ubuntu:18.04:LTS linux-gcp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1040.42"}]}]
Ubuntu:18.04:LTS linux-gke-4.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1040.42"}]}]
Ubuntu:18.04:LTS linux-kvm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1042.42"}]}]
Ubuntu:18.04:LTS linux-oem
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1050.57"}]}]
Ubuntu:18.04:LTS linux-oracle
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1021.23"}]}]
Ubuntu:18.04:LTS linux-raspi2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1043.46"}]}]
Ubuntu:18.04:LTS linux-snapdragon
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1060.66"}]}]

References

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