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CVE-2025-39752
medium
CVSS 5.5
Vulnerability in linux (CVE-2025-39752)
Summary
vulnerability in linux (CVE-2025-39752). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-39752** 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-2025-39752" on the vendor's site.
CVE-2025-39752 (linux) — 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** (unclassified) 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。
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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。
References
- web https://git.kernel.org/stable/c/0223a3683d502b7e5eb2eb4ad7e97363fa88d531
- web https://git.kernel.org/stable/c/1eb67589a7e091b1e5108aab72fddbf4dc69af2c
- web https://git.kernel.org/stable/c/265583266d93db4ff83d088819b1f63fdf0131db
- web https://git.kernel.org/stable/c/3c6bf7a324b8995b9c7d790c8d2abf0668f51551
- web https://git.kernel.org/stable/c/47769dab9073a73e127aa0bfd0ba4c51eaccdc33
- web https://git.kernel.org/stable/c/7cdb433bb44cdc87dc5260cdf15bf03cc1cd1814
- web https://git.kernel.org/stable/c/888a453c2a239765a7ab4de8a3cedae2e3802528
- web https://git.kernel.org/stable/c/c0726d1e466e2d0da620836e293a59e6427ccdff
- web https://git.kernel.org/stable/c/d7d6d076ee9532c4668f14696a35688d35dd16f4
- 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-2025-39752
- web https://github.com/advisories/GHSA-pr7q-phhw-mf48