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CVE-2026-46159
medium
CVSS 4.7
Vulnerability in linux (CVE-2026-46159)
Summary
vulnerability in linux (CVE-2026-46159). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46159** has been found in linux.
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-2026-46159" on the vendor's site.
CVE-2026-46159 (linux) — CWE-367 / CVSS v3 4.7
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-367) exists in linux.
📍 Affected scope
linux — .
🔥 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
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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/4fdc6ee0802121d9cd96b8d085e589f51e5a4ec3
- web https://git.kernel.org/stable/c/5d12e0ab009ade48c1bff9324fd9bea2c773d088
- web https://git.kernel.org/stable/c/973e57c726c1f8e77259d1c8e519519f1e9aea77
- web https://git.kernel.org/stable/c/d09d67d5de577cedae3de9497dff217e0ac8b641
- web https://git.kernel.org/stable/c/f5ee467b56764964027c361641f64953fc0f8f9a
- web https://nvd.nist.gov/vuln/detail/CVE-2026-46159
- web https://github.com/advisories/GHSA-8m37-fqxx-cfwj
- web https://git.kernel.org/stable/c/d69a4a6813fdba7c4cc3695a7e843842b240790d
- web https://git.kernel.org/stable/c/d8224b1be6627c6c3b204bfb264508d27c65ac44
- web https://git.kernel.org/stable/c/f407aad350bdea4db300c47433573b7a41630d33