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CVE-2025-23136
medium
CVSS 5.5
Vulnerability in linux (CVE-2025-23136)
Summary
vulnerability in linux (CVE-2025-23136). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-23136** 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-2025-23136" on the vendor's site.
CVE-2025-23136 (linux) — CWE-476 / 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-476) 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/0c49f12c77b77a706fd41370c11910635e491845
- web https://git.kernel.org/stable/c/2542a3f70e563a9e70e7ded314286535a3321bdb
- web https://git.kernel.org/stable/c/3155d5261b518776d1b807d9d922669991bbee56
- web https://git.kernel.org/stable/c/6a810c462f099353e908c70619638884cb82229c
- web https://git.kernel.org/stable/c/8e8f1ddf4186731649df8bc9646017369eb19186
- web https://git.kernel.org/stable/c/953d28a4f459fcbde2d08f51aeca19d6b0f179f3
- web https://git.kernel.org/stable/c/ac2eb7378319e3836cdf3a2c15a0bdf04c50e81d
- web https://git.kernel.org/stable/c/bc7b5f782d28942dbdfda70df30ce132694a06de
- web https://git.kernel.org/stable/c/d0d21c8e44216fa9afdb3809edf213f3c0a8c060
- web https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- web https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- web https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- web https://nvd.nist.gov/vuln/detail/CVE-2025-23136
- web https://github.com/advisories/GHSA-5659-626r-mfvx