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CVE-2025-39795
medium
CVSS 5.5
Vulnerability in linux (CVE-2025-39795)
Summary
vulnerability in linux (CVE-2025-39795). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-39795** 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-2025-39795" on the vendor's site.
CVE-2025-39795 (linux) — CWE-674 / 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-674) 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/14beeef4aafecc8a41de534e31fb5be94739392f
- web https://git.kernel.org/stable/c/31f2f080898e50cbf2bae62d35f9f2a997547b38
- web https://git.kernel.org/stable/c/3b9d69f0e68aa6b0acd9791c45d445154a8c66e9
- web https://git.kernel.org/stable/c/418751910044649baa2b424ea31cce3fc4dcc253
- web https://git.kernel.org/stable/c/448dfecc7ff807822ecd47a5c052acedca7d09e8
- web https://git.kernel.org/stable/c/46aa80ef49594ed7de685ecbc673b291e9a2c159
- web https://git.kernel.org/stable/c/5e276e6ff9aacf8901b9c3265c3cdd2568c9fff2
- web https://git.kernel.org/stable/c/8b3ce085b52e674290cbfdd07034e7653ffbe4dc
- 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://cert-portal.siemens.com/productcert/html/ssa-082556.html
- web https://nvd.nist.gov/vuln/detail/CVE-2025-39795
- web https://github.com/advisories/GHSA-x2v6-jx2x-c364