CVE-2022-42285
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 · uneditedDGX A100 SBIOS contains a vulnerability in the Pre-EFI Initialization (PEI)phase, where a privileged user can disable SPI flash protection, which may lead to denial of service, escalation of privileges, or data tampering.
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 confidenceNVIDIA DGX A100 SBIOS contains a vulnerability in the Pre-EFI Initialization (PEI) phase where a privileged user can disable SPI flash protection, potentially allowing denial of service, privilege escalation, or data tampering through malicious firmware modification.
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 data< 1.18CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/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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Determine the installed SBIOS versionAccess the BMC/IPMI interface of the DGX A100 (typically via ipmitool or BMC web interface) and retrieve the SBIOS firmware version information. Alternatively, check during system boot or through NVIDIA system management tools.Affected if The reported SBIOS version is less than 1.18 (e.g., 1.17, 1.16, etc.)
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Verify SPI flash protection statusIf accessible through BMC or system management interfaces, inspect the current SPI flash protection configuration settings to confirm whether protection mechanisms are enabled or can be modified.Affected if SPI flash protection is disabled or reports as modifiable by privileged users without authentication traces
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Check for unauthorized firmware modification indicatorsReview system logs, BMC event logs, and firmware integrity measurement logs for any unexpected changes to BIOS/UEFI firmware components or configuration alterations.Affected if Firmware integrity checksums fail or logs show unexpected changes to BIOS configuration parameters related to flash protection
The system is affected if the installed SBIOS version is below 1.18 and SPI flash protection can be disabled by a privileged user in the PEI phase.
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.
dbcve · scoped1.18
Apply the vendor-provided SBIOS firmware update from NVIDIA to remediate. In the interim, enforce strict physical access controls and limit privileged account usage to reduce attack surface.
SBIOS version 1.18 or later
- Verify current SBIOS version on the DGX A100 system using NVIDIA system management tools or BIOS setup utility
- Download the SBIOS update package version 1.18 or later from NVIDIA's support portal (nvidia.custhelp.com)
- Follow NVIDIA's documented firmware update procedure for DGX A100, ensuring stable power supply during the update
- After update, verify the SBIOS version has been upgraded to 1.18 or later
- Confirm SPI flash protection settings are properly configured post-update
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-42285 — 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-2022-42285 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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