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CVE-2026-31594
medium
CVSS 5.5
Vulnerability in linux (CVE-2026-31594)
Summary
vulnerability in linux (CVE-2026-31594). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-31594** 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-2026-31594" on the vendor's site.
CVE-2026-31594 (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/0da63230d3ec1ec5fcc443a2314233e95bfece54
- web https://git.kernel.org/stable/c/305a0674bc552bfcc3231e23fb91cf4f62aec168
- web https://git.kernel.org/stable/c/478e776101592eb63298714e96823ef78a3295ec
- web https://git.kernel.org/stable/c/73bf218de28d039126dc64281d2b47dd3c46a0a3
- web https://git.kernel.org/stable/c/a7a3cab4d33fd8a8aed864c447d0d7c99e85404e
- web https://git.kernel.org/stable/c/b261027a1a235d8925e332363f23135a0eff2b35
- web https://git.kernel.org/stable/c/cec9ead73ab154a7953f6ab8dd5127e0d6bbf95a
- web https://git.kernel.org/stable/c/e238ab12556b00f3b4d8b870b32ba1e4f4d4ebc2
- web https://nvd.nist.gov/vuln/detail/CVE-2026-31594
- web https://github.com/advisories/GHSA-9mvc-6grp-8hgm