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CVE-2026-45965
medium
CVSS 5.5
Vulnerability in linux (CVE-2026-45965)
Summary
vulnerability in linux (CVE-2026-45965). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-45965** 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-2026-45965" on the vendor's site.
CVE-2026-45965 (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
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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://nvd.nist.gov/vuln/detail/CVE-2026-45965
- web https://git.kernel.org/stable/c/1432ab0774cba43e8111be39989ff226531a9bac
- web https://git.kernel.org/stable/c/19f2e4055626a58842ddec3282ad4465a80c6625
- web https://git.kernel.org/stable/c/1d2b2b58fde9059a488bc25399e6c3d74e9b5548
- web https://git.kernel.org/stable/c/3c36b87fc2a4cf88eadea8cf13923bd2b4f9a3fa
- web https://git.kernel.org/stable/c/6d8c180c825cbc73eeffaa79591f8e142dacae70
- web https://git.kernel.org/stable/c/b25298e89a297c42eb4c4d6f081d60375b820abb
- web https://git.kernel.org/stable/c/df9ac55abd18628bd8cff687ea043660532a3654
- web https://git.kernel.org/stable/c/e6b2fc7e34d4e7ca6b8598c33a3d45d59e455d8d
- web https://github.com/advisories/GHSA-8pgm-3pm8-2qcc