Vulnerability in Qemu (CVE-2024-3447)
Summary
Vulnerability in Qemu (CVE-2024-3447). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
A heap-based buffer overflow was found in the SDHCI device emulation of QEMU. The bug is triggered when both s->data_count and the size of s->fifo_buffer are set to 0x200, leading to an out-of-bound access. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
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 CVE-2024-3447 has been found in Qemu.
Risk of unauthorized operations or information disclosure. CVSS score: 6.0/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Qemu CVE-2024-3447" on the vendor's site.
CVE-2024-3447 (Qemu) — CWE-122 / CVSS v3 6.0
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.
A vulnerability (CWE-122) exists in Qemu.
Check the vendor advisory for the affected versions of Qemu.
Severity: Medium (CVSS 6.0/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
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
-
1Identify exposure identify
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。 -
2Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2024-3447 qemu Fixed in: 1:5.2+dfsg-11+deb11u4
- Ubuntu UBUNTU-CVE-2024-3447 qemu Fixed in: 2.0.0+dfsg-2ubuntu1.47+esm6
References
- advisory patrick@puiterwijk.org
- advisory patrick@puiterwijk.org
- exploit patrick@puiterwijk.org
- patch security.netapp.com
- web nvd.nist.gov
- web patchew.org
- web security.netapp.com
- web lists.debian.org
- web cert-portal.siemens.com
- web github.com
- web patrick@puiterwijk.org