CVE-2022-42281

Privileged code execution via FsRecovery out-of-bounds write

Published Jan 13, 2023 · Updated Apr 7, 2025

Out-of-bounds write in FsRecovery in NVIDIA DGX A100 SBIOS before 1.18 allows local users to execute code through firmware recovery. FsRecovery writes beyond intended memory bounds during firmware recovery; NVIDIA has not disclosed the affected function, input field, or write calculation. Exploitation requires highly privileged local access and can also compromise integrity, disclose information, or interrupt service; NVIDIA has not specified the interruption mode.

CVSS severity6.7
Medium
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in FsRecovery in NVIDIA DGX A100 SBIOS before 1.18 allows local users to execute code through firmware recovery. FsRecovery writes beyond intended memory bounds during firmware recovery; NVIDIA has not disclosed the affected function, input field, or write calculation. Exploitation requires highly privileged local access and can also compromise integrity, disclose information, or interrupt service; NVIDIA has not specified the interruption mode.

The record

CVE
CVE-2022-42281
Published
Jan 13, 2023
Updated
Apr 7, 2025
Vendor
NVIDIA
Product
NVIDIA DGX Systems
Classifications
CWE-787
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jan 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 7, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=All SBIOS firmware versions prior to 1.18

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

NVIDIA · NVIDIA DGX Systemsversion=All SBIOS firmware versions prior to 1.18

Published CVSS scores

6.7NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7NVIDIACVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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