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CVE-2025-71269
medium
CVSS 5.5
Vulnerability in Kernel (CVE-2025-71269)
Summary
vulnerability in Kernel (CVE-2025-71269). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `6.18.10` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-71269** has been found in Kernel.
Risk of unauthorized operations or information disclosure. CVSS score: 5.5/10.
What to do: upgrade Kernel to **6.18.10** or later.
If unsure, ask your IT team or search "Kernel CVE-2025-71269" on the vendor's site.
CVE-2025-71269 (Kernel) — CVSS v3 5.5
Attack vector: local / no user interaction
Patched: `6.18.10` — 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 Kernel.
📍 Affected scope
Kernel — .
🔥 Severity
Severity: Medium (CVSS 5.5/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **6.18.10**.
🛡️ 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 'Kernel' .` 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 'Kernel' . | 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 `Kernel` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade Kernel to 6.18.10ステージング環境で 6.18.10 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
Linux
Kernel
[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"6.18.10"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-71269
- advisory https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71269.json
- package https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- web https://git.kernel.org/stable/c/0a1fbbd780f04d1b6cf48dd327c866ba937de1c4
- web https://git.kernel.org/stable/c/3a9fd45afadec1fbfec72057b9473d509fa8b68c
- web https://git.kernel.org/stable/c/3edd1f6c7c520536b62b2904807033597554dbac
- web https://git.kernel.org/stable/c/6de3a371a8b9fd095198b1aa68c22cc10a4c6961
- web https://git.kernel.org/stable/c/f8da41de0bff9eb1d774a7253da0c9f637c4470a
- web https://github.com/advisories/GHSA-wqgp-m495-6968