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CVE-2026-46205
high
CVSS 7.8
Vulnerability in linux (CVE-2026-46205)
Summary
vulnerability in linux (CVE-2026-46205). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46205** has been found in linux.
Successful exploitation can lead to full system takeover. CVSS score: 7.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "linux CVE-2026-46205" on the vendor's site.
CVE-2026-46205 (linux) — CVSS v3 7.8
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 7.8/10). Successful exploitation can lead to full system takeover
🔧 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/2b7eb2c5dc72f0fc954ac4aa155f9e285e937f7c
- web https://git.kernel.org/stable/c/6850a439f8d23d4979624f1d6880d3118d473a28
- web https://git.kernel.org/stable/c/6f1ce75a75c65061e7a720c3d0ee5f8adab7a2d3
- web https://git.kernel.org/stable/c/8c7a281a99224a5b9af99c4dcd98d68eea75926c
- web https://git.kernel.org/stable/c/c7848b67ef10f581114b6a2f52b160fc20eb52c9
- web https://nvd.nist.gov/vuln/detail/CVE-2026-46205
- web https://github.com/advisories/GHSA-qv25-8qcj-cc95
- web https://git.kernel.org/stable/c/64e85679beafe082fc2e70a557ec356c7fd27548
- web https://git.kernel.org/stable/c/8774f8cb661f57ae43cc3bc0509d16ef1f406e45
- web https://git.kernel.org/stable/c/ceb1b5f910e58986ea544ff8c9c2f23ae9a52414
- web https://git.kernel.org/stable/c/51b8dc5163d2ff2bf04019f8bf7e3bd0e75bb654