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CVE-2026-46296
medium
CVSS 5.5
Vulnerability in linux (CVE-2026-46296)
Summary
vulnerability in linux (CVE-2026-46296). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46296** 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-2026-46296" on the vendor's site.
CVE-2026-46296 (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/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760
- web https://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266
- web https://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238
- web https://git.kernel.org/stable/c/323a258f4b1916b5a3098618e036e033b2f2317f
- web https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17
- web https://nvd.nist.gov/vuln/detail/CVE-2026-46296
- web https://github.com/advisories/GHSA-vvjj-6m9v-rg8g
- web https://git.kernel.org/stable/c/29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7