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CVE-2026-64192
medium
CVSS 5.5
Vulnerability in linux (CVE-2026-64192)
Summary
vulnerability in linux (CVE-2026-64192). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-64192** 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-2026-64192" on the vendor's site.
CVE-2026-64192 (linux) — CWE-476 / 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-476) 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/a6f0643e4f63cfaa0d5d4a69de4f132eac4b8fe4
- web https://git.kernel.org/stable/c/c76b8abce575e0c6e4096957220b4515ed847d89
- web https://nvd.nist.gov/vuln/detail/CVE-2026-64192
- web https://github.com/advisories/GHSA-3hvr-phfh-x26g
- web https://git.kernel.org/stable/c/267fdd9b6530c399dfd996e1a0a7628b45baf9f0
- web https://git.kernel.org/stable/c/de984ea883405420fdc416ae8964b752df586970
- web https://git.kernel.org/stable/c/5337eebdf8c5d4810b1913047f078d2815d5645f
- web https://git.kernel.org/stable/c/413b14b9623a2e6ee131c2b2152b304aeb04e378
- web https://git.kernel.org/stable/c/721f669853bdbf46b475a81bb5d05d610f8c19de
- web https://git.kernel.org/stable/c/a6d634f794c808a261eac7d5af023a7e06b9ecd8