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CVE-2026-46174
high
CVSS 8.8
Vulnerability in linux (CVE-2026-46174)
Summary
vulnerability in linux (CVE-2026-46174). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46174** has been found in linux.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "linux CVE-2026-46174" on the vendor's site.
CVE-2026-46174 (linux) — CVSS v3 8.8
Attack vector: local / no user interaction
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.
📍 Affected scope
linux — .
🔥 Severity
Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ 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' .` 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' . | 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` 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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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。
References
- web https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5
- web https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e
- web https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b
- web https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436
- web https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa
- web https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1
- web https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576
- web https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362
- web https://nvd.nist.gov/vuln/detail/CVE-2026-46174
- web https://github.com/advisories/GHSA-xgq6-gg2m-2x7g
- web https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- web https://cert-portal.siemens.com/productcert/html/ssa-082556.html