CVE-2022-33196
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIncorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Guard Extensions which may allow a privileged user to potentially enable escalation of privilege via local access.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceThis vulnerability involves incorrect default permissions in memory controller configurations for certain Intel Xeon processors when Intel Software Guard Extensions (SGX) is enabled. A privileged local user may exploit these improper permissions to achieve privilege escalation.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsall versionsall versionsall versionsall versionsall versionsall versionsall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the processor modelRun 'lscpu | grep "Model name"' on Linux or check System Information on Windows to obtain the exact CPU model nameAffected if The processor model matches any of these: Xeon Gold 5315y, 5317, 5318n, 5318s, 5318y, 5320, 5320t, or 6312u
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Verify SGX hardware presenceOn Linux, check for SGX device nodes with 'ls -la /dev/sgx*' or run 'cpuid' and look for SGX feature bit (ECX bit 2). On Windows, check via Task Manager or System Information under Processor security featuresAffected if SGX hardware is reported as present on the system
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Confirm SGX is enabled in firmwareAccess system BIOS/UEFI settings during boot and navigate to Processor or Security settings to verify Intel SGX is set to Enabled. Alternatively, on Linux check 'dmesg | grep -i sgx' after boot for SGX initialization messagesAffected if Intel SGX is explicitly enabled in the system firmware/BIOS settings
The system is affected if it runs one of the listed Intel Xeon Gold processor models with SGX enabled, since all firmware versions of these processors contain the vulnerability.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply Intel-provided firmware/BIOS updates for affected Xeon processors. Organizations should verify SGX usage and coordinate with system vendors to obtain and deploy the corrected memory controller firmware.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-33196 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2022-33196 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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