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CVE-2025-39737
medium
CVSS 5.5
Vulnerability in linux (CVE-2025-39737)
Summary
vulnerability in linux (CVE-2025-39737). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-39737** 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-2025-39737" on the vendor's site.
CVE-2025-39737 (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
-
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/1ef72a7fedc5bca70e8cc980985790de10d407aa
- web https://git.kernel.org/stable/c/8d2d22a55ffe35c38e69795468a7addd1a80e9ce
- web https://git.kernel.org/stable/c/926092268efdf1ed7b55cf486356c74a9e7710d1
- web https://git.kernel.org/stable/c/9b80430c194e4a114dc663c1025d56b4f3d0153d
- web https://git.kernel.org/stable/c/9f1f4e95031f84867c5821540466d62f88dab8ca
- web https://git.kernel.org/stable/c/a04de4c40aab9b338dfa989cf4aec70fd187eeb2
- web https://git.kernel.org/stable/c/d1534ae23c2b6be350c8ab060803fbf6e9682adc
- web https://git.kernel.org/stable/c/e21a3ddd58733ce31afcb1e5dc3cb80a4b5bc29b
- web https://git.kernel.org/stable/c/f014c10d190b92aad366e56b445daffcd1c075e4
- 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-2025-39737
- web https://github.com/advisories/GHSA-x37q-qw63-qf28