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CVE-2024-26886
medium
CVSS 6.5
Use-After-Free in linux (CVE-2024-26886)
Summary
vulnerability in linux (CVE-2024-26886). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2024-26886** has been found in linux.
Risk of unauthorized operations or information disclosure. CVSS score: 6.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "linux CVE-2024-26886" on the vendor's site.
CVE-2024-26886 (linux) — CWE-416 / CVSS v3 6.5
Attack vector: adjacent-network / unauthenticated / 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
**use-after-free** (CWE-416) exists in linux.
📍 Affected scope
linux — .
🔥 Severity
Severity: Medium (CVSS 6.5/10). 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://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955
- web https://git.kernel.org/stable/c/60673f442984fe689d4127a5dd4be414247b3d67
- web https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c
- web https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7
- web https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb
- web https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae
- web https://nvd.nist.gov/vuln/detail/CVE-2024-26886
- web https://git.kernel.org/stable/c/0625d7c240b307b78640dcd823cb738cb900a8ba
- web https://github.com/advisories/GHSA-46xg-2692-fh7x