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CLSA-2023-1682418814
Vulnerability in linux-buildinfo-4.15.0-209-tuxcare.els7-generic (CLSA-2023-1682418814)
Summary
vulnerability in linux-buildinfo-4.15.0-209-tuxcare.els7-generic (CLSA-2023-1682418814). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `4.15.0-209.220~16.04.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CLSA-2023-1682418814** has been found in linux-buildinfo-4.15.0-209-tuxcare.els7-generic.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade linux-buildinfo-4.15.0-209-tuxcare.els7-generic to **4.15.0-209.220~16.04.1** or later.
If unsure, ask your IT team or search "linux-buildinfo-4.15.0-209-tuxcare.els7-generic CLSA-2023-1682418814" on the vendor's site.
CLSA-2023-1682418814 (linux-buildinfo-4.15.0-209-tuxcare.els7-generic) —
Patched: `4.15.0-209.220~16.04.1` — 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-buildinfo-4.15.0-209-tuxcare.els7-generic.
📍 Affected scope
linux-buildinfo-4.15.0-209-tuxcare.els7-generic — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **4.15.0-209.220~16.04.1**.
🛡️ 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-buildinfo-4.15.0-209-tuxcare.els7-generic' .` 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
-
1Identify exposure identify
grep -r 'linux-buildinfo-4.15.0-209-tuxcare.els7-generic' . | 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-buildinfo-4.15.0-209-tuxcare.els7-generic` 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-buildinfo-4.15.0-209-tuxcare.els7-generic to 4.15.0-209.220~16.04.1ステージング環境で 4.15.0-209.220~16.04.1 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。
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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。
Affected packages
TuxCare:Ubuntu:16.04
linux-buildinfo-4.15.0-209-tuxcare.els7-generic
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-buildinfo-4.15.0-209-tuxcare.els7-lowlatency
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-cloud-tools-4.15.0-209-tuxcare.els7-generic
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-cloud-tools-4.15.0-209-tuxcare.els7-lowlatency
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-cloud-tools-generic-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-cloud-tools-lowlatency-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-generic-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-headers-4.15.0-209-tuxcare.els7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-headers-4.15.0-209-tuxcare.els7-generic
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-headers-4.15.0-209-tuxcare.els7-lowlatency
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-headers-generic-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-headers-lowlatency-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-hwe-cloud-tools-4.15.0-209-tuxcare.els7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-hwe-tools-4.15.0-209-tuxcare.els7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-image-generic-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-image-lowlatency-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-image-unsigned-4.15.0-209-tuxcare.els7-generic
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-image-unsigned-4.15.0-209-tuxcare.els7-lowlatency
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-lowlatency-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-modules-4.15.0-209-tuxcare.els7-generic
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-modules-4.15.0-209-tuxcare.els7-lowlatency
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-modules-extra-4.15.0-209-tuxcare.els7-generic
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-source-4.15.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-tools-4.15.0-209-tuxcare.els7-generic
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-tools-4.15.0-209-tuxcare.els7-lowlatency
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-209.220~16.04.1"}]}]
TuxCare:Ubuntu:16.04
linux-tools-generic-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]
TuxCare:Ubuntu:16.04
linux-tools-lowlatency-hwe-16.04
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0.209.144"}]}]