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CVE-2025-68741
critical
CVSS 9.8
Vulnerability in Kernel (CVE-2025-68741)
Summary
vulnerability in Kernel (CVE-2025-68741). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `6.6.120, 6.12.63, 6.17.13, 6.18.2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-68741** has been found in Kernel.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: upgrade Kernel to **6.6.120, 6.12.63, 6.17.13, 6.18.2** or later.
If unsure, ask your IT team or search "Kernel CVE-2025-68741" on the vendor's site.
CVE-2025-68741 (Kernel) — CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `6.6.120, 6.12.63, 6.17.13, 6.18.2` — apply immediately
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 Kernel.
📍 Affected scope
Kernel — .
🔥 Severity
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **6.6.120, 6.12.63, 6.17.13, 6.18.2**.
🛡️ 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 'Kernel' .` 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 'Kernel' . | 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 `Kernel` 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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6Apply patch patch
Upgrade Kernel to 6.6.120, 6.12.63, 6.17.13, 6.18.2ステージング環境で 6.6.120, 6.12.63, 6.17.13, 6.18.2 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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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。
Affected packages
Linux
Kernel
[{"type":"ECOSYSTEM","events":[{"introduced":"6.6.0"},{"fixed":"6.6.120"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.63"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.17.13"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.18.0"},{"fixed":"6.18.2"}]}]
References
- advisory https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68741.json
- package https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- web https://git.kernel.org/stable/c/4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9
- web https://git.kernel.org/stable/c/5fa1c8226b4532ad7011d295d3ab4ad45df105ae
- web https://git.kernel.org/stable/c/78b1a242fe612a755f2158fd206ee6bb577d18ca
- web https://git.kernel.org/stable/c/8e9f0a0717ba31d5842721627ade1e62d7aec012
- web https://git.kernel.org/stable/c/cfe3e2f768d248fd3d965d561d0768a56dd0b9f8
- web https://nvd.nist.gov/vuln/detail/CVE-2025-68741
- web https://github.com/advisories/GHSA-mjw3-rr6r-w9h2