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CVE-2026-46237
high
CVSS 7.1
Vulnerability in linux (CVE-2026-46237)
Summary
vulnerability in linux (CVE-2026-46237). Confidential information can be exposed externally.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46237** has been found in linux.
Confidential information can be exposed externally. CVSS score: 7.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "linux CVE-2026-46237" on the vendor's site.
CVE-2026-46237 (linux) — CVSS v3 7.1
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: High (CVSS 7.1/10). Confidential information can be exposed externally
🔧 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
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-46237
- advisory https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46237.json
- package https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- web https://git.kernel.org/stable/c/016b64a0313ea5346cf526e30c8d3e66aca10175
- web https://git.kernel.org/stable/c/1936310f68c54be961de38ac539cef9b543207cb
- web https://git.kernel.org/stable/c/2e43b66fceacd6e982b94f2e3f8b34edd7463396
- web https://git.kernel.org/stable/c/e6e9faba8100628990cccd13f0f044a648c303cf
- web https://git.kernel.org/stable/c/e8124121b79ab5d32fa8fbbd101f7208eca9cd7d
- web https://github.com/advisories/GHSA-3rxv-c424-93r3
- web https://git.kernel.org/stable/c/94a2b37399807fd2ca78dc1906986c4fbd72968e
- web https://git.kernel.org/stable/c/95b0f6df8d7fad2eabf265d2c3d2538ef58e4465