← Back
CVE-2026-46038
medium
CVSS 5.5
Vulnerability in linux (CVE-2026-46038)
Summary
vulnerability in linux (CVE-2026-46038). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46038** 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-2026-46038" on the vendor's site.
CVE-2026-46038 (linux) — CWE-401 / 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-401) 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/076e4b162d6caba12c229e7f262df5b6881162b0
- web https://git.kernel.org/stable/c/154fc7fe3f62c46891c3c4302f4b5b5391c932e6
- web https://git.kernel.org/stable/c/65932f5102bb5377db36c8a4f0c28179a1967a9a
- web https://git.kernel.org/stable/c/68efba36446a7774ea5b971257ade049272a07ac
- web https://git.kernel.org/stable/c/ff78ed177a66763085e3214d6fbe13ca8f0b3f11
- web https://nvd.nist.gov/vuln/detail/CVE-2026-46038
- web https://github.com/advisories/GHSA-pc3v-mpgj-wxwq
- web https://git.kernel.org/stable/c/25d580a46b079a7963ff024a5195e547baf12b64
- web https://git.kernel.org/stable/c/6c9cca46acb6f22e63f015ea7b2ed6032d2badf5
- web https://git.kernel.org/stable/c/a5a454f3364877b22f0e5a165df8b3702ff96ae7