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No exploitation reportedFix available

CVE-2022-30767

No exploitation reported by the sources we read.

  • Published2022-05-16
  • WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.

Timeline

dates in UTC
  1. 2022-05-1603:15CVE publishedNVD

Versions per branch

NVD
Denx u-boot
BranchAffectedFixed in
2022.4≤ 2022.04no fix published
2022.7= 2022.07no fix published
Fedoraproject fedora
BranchAffectedFixed in
36.x= 36no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • rootio-u-bootRoot:Alpine:3.16all versions · fixed in 2022.04-r10071
  • u-bootUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • u-bootUbuntu:22.04:LTSall versions · fixed in 2022.01+dfsg-2ubuntu2.3
  • u-bootUbuntu:20.04:LTSall versions · fixed in 2021.01+dfsg-3ubuntu0~20.04.5
  • u-bootUbuntu:18.04:LTSall versions · fixed in 2020.10+dfsg-1ubuntu0~18.04.3
  • u-bootSUSE:Linux Enterprise Server for SAP Applications 12 SP5all versions · fixed in 2019.01-5.8.1and 1 other package
  • u-bootSUSE:Linux Enterprise Server 12 SP5all versions · fixed in 2019.01-5.8.1and 1 other package
  • u-bootSUSE:Linux Enterprise Module for Basesystem 15 SP4all versions · fixed in 2021.10-150400.4.5.1and 1 other package

10 more package ranges on OSV.dev

Vendor advisories

  • ICSA-23-194-04 CISA6 known affected

    Siemens SIMATIC MV500 Devices

    SIMATIC MV540 H (6GF3540-0GE10) · SIMATIC MV540 S (6GF3540-0CD10) · SIMATIC MV550 H (6GF3550-0GE10) · +3 more

  • SSA-561322 Siemens ProductCERT6 known affected

    SSA-561322: Multiple Vulnerabilities in SIMATIC MV500 Devices before V3.3.4

    SIMATIC MV540 H (6GF3540-0GE10) · SIMATIC MV540 S (6GF3540-0CD10) · SIMATIC MV550 H (6GF3550-0GE10) · +3 more

Full record on NVD

Fix

  1. Vendor fix Siemens ProductCERT SSA-561322 · 6 productsUpdate to V3.3.4 or later version
  2. Vendor fix CISA ICSA-23-194-04 · 6 productsUpdate to V3.3.4 or later version

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-05-16
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-27g3-5ffj-8mw8

Frequently asked questions

What is CVE-2022-30767?

nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.

Is CVE-2022-30767 actively exploited?

Active exploitation of CVE-2022-30767 has not been confirmed. Its EPSS score was 2.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-30767?

CVE-2022-30767 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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