Vulnerability in qemu
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as UBUNTU-CVE-2024-7409 has been found in qemu.
Risk of unauthorized operations or information disclosure.
What to do: upgrade qemu to 2.0.0+dfsg-2ubuntu1.47+esm6 or later.
If unsure, ask your IT team or search "qemu UBUNTU-CVE-2024-7409" on the vendor's site.
UBUNTU-CVE-2024-7409 (qemu)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 2.0.0+dfsg-2ubuntu1.47+esm6 — 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.
A vulnerability (unclassified) exists in qemu.
Check the vendor advisory for the affected versions of qemu.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to 2.0.0+dfsg-2ubuntu1.47+esm6.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'qemu' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1
Identify exposureidentify
grep -r 'qemu' . | 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
qemuを grep し、稼働しているサービス・バージョンを把握する。 -
2
Apply patchpatch
Upgrade qemu to 2.0.0+dfsg-2ubuntu1.47+esm6ステージング環境で 2.0.0+dfsg-2ubuntu1.47+esm6 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を含めること。
-
3
Post-deployment verificationverify
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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
| Package | Affected → Fixed | |
|---|---|---|
| Ubuntu:Pro:14.04:LTSqemu |
< 2.0.0+dfsg-2ubuntu1.47+esm6→ 2.0.0+dfsg-2ubuntu1.47+esm6 |
2.0.0+dfsg-2ubuntu1.47+esm6 |
| Ubuntu:Pro:16.04:LTSqemu |
< 1:2.5+dfsg-5ubuntu10.51+esm4→ 1:2.5+dfsg-5ubuntu10.51+esm4 |
1:2.5+dfsg-5ubuntu10.51+esm4 |
| Ubuntu:Pro:18.04:LTSqemu |
< 1:2.11+dfsg-1ubuntu7.42+esm6→ 1:2.11+dfsg-1ubuntu7.42+esm6 |
1:2.11+dfsg-1ubuntu7.42+esm6 |
| Ubuntu:Pro:20.04:LTSqemu |
< 1:4.2-3ubuntu6.30+esm2→ 1:4.2-3ubuntu6.30+esm2 |
1:4.2-3ubuntu6.30+esm2 |
| Ubuntu:22.04:LTSqemu |
< 1:6.2+dfsg-2ubuntu6.27→ 1:6.2+dfsg-2ubuntu6.27 |
1:6.2+dfsg-2ubuntu6.27 |
| Ubuntu:24.04:LTSqemu |
< 1:8.2.2+ds-0ubuntu1.10→ 1:8.2.2+ds-0ubuntu1.10 |
1:8.2.2+ds-0ubuntu1.10 |
Original description The description as published by the source.
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- report ubuntu.com
- report cve.org