← Back
CVE-2026-45983
medium
CVSS 5.5
Vulnerability in linux (CVE-2026-45983)
Summary
vulnerability in linux (CVE-2026-45983). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-45983** 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-2026-45983" on the vendor's site.
CVE-2026-45983 (linux) — 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** (unclassified) 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://git.kernel.org/stable/c/063a6f22478ef929625000a2caf54667725c1dfd
- web https://git.kernel.org/stable/c/243f71ed873ff3feeb6f9b5cb145d63f7188b4c4
- web https://git.kernel.org/stable/c/3a72c7dedc99b321e0f267e4e999e5baf07c4593
- web https://git.kernel.org/stable/c/8dff54fe88c0dcd4c55bff9fc2fa6ca968290826
- web https://git.kernel.org/stable/c/99e17b20fddac19a228d213e00f6b9e1c10daff9
- web https://git.kernel.org/stable/c/b9abb760db20504240a7147f27934d900cd80b23
- web https://git.kernel.org/stable/c/d75ec4504a4340b033b15cad0303988b3089dd93
- web https://git.kernel.org/stable/c/f9c206cdc4266caad6a9a7f46341420a10f03ccb
- web https://nvd.nist.gov/vuln/detail/CVE-2026-45983
- web https://github.com/advisories/GHSA-wrmj-c6w7-44cr