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CVE-2025-38393
medium
CVSS 4.7
Vulnerability in linux (CVE-2025-38393)
Summary
vulnerability in linux (CVE-2025-38393). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-38393** has been found in linux.
Risk of unauthorized operations or information disclosure. CVSS score: 4.7/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "linux CVE-2025-38393" on the vendor's site.
CVE-2025-38393 (linux) — CWE-362 / CVSS v3 4.7
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-362) exists in linux.
📍 Affected scope
linux — .
🔥 Severity
Severity: Medium (CVSS 4.7/10). 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
-
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。
-
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/08287df60bac5b008b6bcdb03053988335d3d282
- web https://git.kernel.org/stable/c/1f4da20080718f258e189a2c5f515385fa393da6
- web https://git.kernel.org/stable/c/864a54c1243ed3ca60baa4bc492dede1361f4c83
- web https://git.kernel.org/stable/c/8846fd02c98da8b79e6343a20e6071be6f372180
- web https://git.kernel.org/stable/c/8ca65fa71024a1767a59ffbc6a6e2278af84735e
- web https://git.kernel.org/stable/c/c01776287414ca43412d1319d2877cbad65444ac
- web https://git.kernel.org/stable/c/e4b13885e7ef1e64e45268feef1e5f0707c47e72
- web https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- web https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- web https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- web https://nvd.nist.gov/vuln/detail/CVE-2025-38393
- web https://github.com/advisories/GHSA-93f5-rwwh-v8p5