Buffer Overflow in Linux Kernel (CVE-2022-3628)
Summary
Vulnerability in Linux Kernel (CVE-2022-3628). Successful exploitation can lead to full system takeover.
Original description
The description as published by the source.
A buffer overflow flaw was found in the Linux kernel Broadcom Full MAC Wi-Fi driver. This issue occurs when a user connects to a malicious USB device. This can allow a local user to crash the system or escalate their privileges.
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-2022-3628 has been found in Linux Kernel.
Successful exploitation can lead to full system takeover. CVSS score: 6.6/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Linux Kernel CVE-2022-3628" on the vendor's site.
CVE-2022-3628 (Linux Kernel) — CWE-119 / CVSS v3 6.6
Attack vector: physical / 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-119) exists in Linux Kernel.
Check the vendor advisory for the affected versions of Linux Kernel.
Severity: Medium (CVSS 6.6/10). Successful exploitation can lead to full system takeover.
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. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Linux Kernel を使っているサービスとバージョンを洗い出す。
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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-2022-3628 linux Fixed in: 5.10.158-1
- Ubuntu UBUNTU-CVE-2022-3628 linux-aws Fixed in: 4.4.0-1117.123
References
- exploit git.kernel.org
- web nvd.nist.gov
- web cert-portal.siemens.com
- web github.com