← Back
CVE-2026-53134
medium
CVSS 5.5
Vulnerability in linux (CVE-2026-53134)
Summary
vulnerability in linux (CVE-2026-53134). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-53134** 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-2026-53134" on the vendor's site.
CVE-2026-53134 (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://nvd.nist.gov/vuln/detail/CVE-2026-53134
- web https://git.kernel.org/stable/c/3544210609f6d1db282bbdeca639104ef624c393
- web https://git.kernel.org/stable/c/6744e49fe51bfba26522acc2d0e9703cb41d8e50
- web https://git.kernel.org/stable/c/84d8f58cf28a0415413f43ba7148f7bacd4c1b6e
- web https://git.kernel.org/stable/c/8c84885e9790823828bb8084736ea15769b1ac16
- web https://git.kernel.org/stable/c/ab185e0c4fb82dfba6fb86f8271e06f931d9c64c
- web https://git.kernel.org/stable/c/d19ddef8c327a4773ff81f8e51027d1e0b4cf069
- web https://git.kernel.org/stable/c/eb8a8124484dbc3c2b543e207da39bbccb703d31
- web https://git.kernel.org/stable/c/eca18feed38b3377a2ec5d1f22af1170c55d0171
- web https://github.com/advisories/GHSA-5wp9-x843-xmxf