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CVE-2025-71186
medium
CVSS 5.5
Vulnerability in linux (CVE-2025-71186)
Summary
vulnerability in linux (CVE-2025-71186). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-71186** has been found in linux.
Risk of unauthorized operations or information disclosure. CVSS score: 5.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "linux CVE-2025-71186" on the vendor's site.
CVE-2025-71186 (linux) — CWE-401 / CVSS v3 5.5
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** (CWE-401) exists in linux.
📍 Affected scope
linux — .
🔥 Severity
Severity: Medium (CVSS 5.5/10). Risk of unauthorized operations or information disclosure
🔧 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
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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/1a179ac01ff3993ab97e33cc77c316ed7415cda1
- web https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344c
- web https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648
- web https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97f
- web https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27
- web https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7f
- web https://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6ef
- web https://cert-portal.siemens.com/productcert/html/ssa-253495.html
- web https://nvd.nist.gov/vuln/detail/CVE-2025-71186
- web https://github.com/advisories/GHSA-x73h-j8wv-p248