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CVE-2025-38687
medium
CVSS 4.7
Vulnerability in linux (CVE-2025-38687)
Summary
vulnerability in linux (CVE-2025-38687). Risk of unauthorized operations or information disclosure. Exploitable via ``COMEDI_DEVCONFIG``.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-38687** has been found in linux.
Attackers can target a specific entry point like ``COMEDI_DEVCONFIG`` over the network to misuse the product.
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-2025-38687" on the vendor's site.
CVE-2025-38687 (linux) — CWE-362 / CVSS v3 4.7
Attack vector: local / no user interaction
Attack surface: `COMEDI_DEVCONFIG`
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. Attackers reach the vulnerable code path via ``COMEDI_DEVCONFIG`` without authentication.
📍 Affected scope
linux — . Attack surface: `COMEDI_DEVCONFIG`.
🔥 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/017198079551a2a5cf61eae966af3c4b145e1f3b
- web https://git.kernel.org/stable/c/0f989f9d05492028afd2bded4b42023c57d8a76e
- web https://git.kernel.org/stable/c/35b6fc51c666fc96355be5cd633ed0fe4ccf68b2
- web https://git.kernel.org/stable/c/5724e82df4f9a4be62908362c97d522d25de75dd
- web https://git.kernel.org/stable/c/5c4a2ffcbd052c69bbf4680677d4c4eaa5a252d4
- web https://git.kernel.org/stable/c/71ca60d2e631cf9c63bcbc7017961c61ff04e419
- web https://git.kernel.org/stable/c/cd4286123d6948ff638ea9cd5818ae4796d5d252
- web https://git.kernel.org/stable/c/d85fac8729c9acfd72368faff1d576ec585e5c8f
- web https://git.kernel.org/stable/c/fe67122ba781df44a1a9716eb1dfd751321ab512
- 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-032379.html
- web https://nvd.nist.gov/vuln/detail/CVE-2025-38687
- web https://github.com/advisories/GHSA-gmr8-hqwc-6phj