← Back
CVE-2026-52963
medium
CVSS 5.5
Vulnerability in linux (CVE-2026-52963)
Summary
vulnerability in linux (CVE-2026-52963). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-52963** 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-2026-52963" on the vendor's site.
CVE-2026-52963 (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://nvd.nist.gov/vuln/detail/CVE-2026-52963
- web https://git.kernel.org/stable/c/09141583bd97f4bbd7358e29fd138fe798467cdb
- web https://git.kernel.org/stable/c/3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e
- web https://git.kernel.org/stable/c/728ab0c72e49ca27185067984cd565425eb69b2e
- web https://git.kernel.org/stable/c/a0226560540c16717efcceaf15c862cf115b01d3
- web https://git.kernel.org/stable/c/c59159ce10e75b568cd0d4b29efcb0fb0ddecc94
- web https://git.kernel.org/stable/c/c65b137d351e21cbc5630e73ef0eb1e1d75f5b20
- web https://git.kernel.org/stable/c/d6854daa67be623860f4e1873fd3d3c275aba4ed
- web https://git.kernel.org/stable/c/e2f1260a056eb3215c13c48c5378f3e4112dc3af
- web https://github.com/advisories/GHSA-m4vx-wp7v-hx3x