Vulnerability-Lookup

FKIE_CVE-2026-9054

Vulnerability from fkie_nvd - Published: 2026-05-22 04:16 - Updated: 2026-05-22 04:16

Severity

9.2 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:A/AU:Y/R:A

Summary

An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel panic.

References

	URL	Tags
	1d66c9f9-fff2-411a-aa19-ca6312fa25e9	https://git.9front.org/plan9front/9front/70c97c334171c715df82774d1a47638abaca2db4/commit.html
	1d66c9f9-fff2-411a-aa19-ca6312fa25e9	https://git.9front.org/plan9front/9front/7838d68969549f938cc8e80c0c2b4218cb12805c/commit.html
	1d66c9f9-fff2-411a-aa19-ca6312fa25e9	https://git.9front.org/plan9front/9front/f86917b75e9562f90545b7e484dbdcd748236952/commit.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel panic."
    }
  ],
  "id": "CVE-2026-9054",
  "lastModified": "2026-05-22T04:16:28.607",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "YES",
          "Recovery": "AUTOMATIC",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.2,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "ATTACKED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "1d66c9f9-fff2-411a-aa19-ca6312fa25e9",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-22T04:16:28.607",
  "references": [
    {
      "source": "1d66c9f9-fff2-411a-aa19-ca6312fa25e9",
      "url": "https://git.9front.org/plan9front/9front/70c97c334171c715df82774d1a47638abaca2db4/commit.html"
    },
    {
      "source": "1d66c9f9-fff2-411a-aa19-ca6312fa25e9",
      "url": "https://git.9front.org/plan9front/9front/7838d68969549f938cc8e80c0c2b4218cb12805c/commit.html"
    },
    {
      "source": "1d66c9f9-fff2-411a-aa19-ca6312fa25e9",
      "url": "https://git.9front.org/plan9front/9front/f86917b75e9562f90545b7e484dbdcd748236952/commit.html"
    }
  ],
  "sourceIdentifier": "1d66c9f9-fff2-411a-aa19-ca6312fa25e9",
  "vulnStatus": "Received"
}

CVE-2026-9054 (GCVE-0-2026-9054)

Vulnerability from cvelistv5 – Published: 2026-05-22 03:21 – Updated: 2026-05-22 17:15

Title

Invalid IP packets cause a kernel panic

Summary

An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel panic.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:A/AU:Y/R:A

CWE

CWE-130 - Improper Handling of Length Parameter Inconsistency

Assigner

9front

References

3 references

URL	Tags
https://git.9front.org/plan9front/9front/7838d689…	mitigation
https://git.9front.org/plan9front/9front/f86917b7…	mitigation
https://git.9front.org/plan9front/9front/70c97c33…	mitigation

Impacted products

1 product

Vendor	Product	Version
9front	9front	Affected: 863431cff8b47fa20625f4cbee3ea4e92367b152 , < 70c97c334171c715df82774d1a47638abaca2db4 (git)

Date Public

2026-05-19 21:50

Show details on NVD website

JSON

To clipboard

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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9054",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-22T16:11:35.411313Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-130",
                "description": "CWE-130 Improper Handling of Length Parameter Inconsistency",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-22T16:12:40.142Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "networking stack"
          ],
          "packageName": "kernel",
          "platforms": [
            "x86",
            "ARM",
            "64 bit",
            "32 bit"
          ],
          "product": "9front",
          "programFiles": [
            "/sys/src/9/ip/il.c",
            "/sys/src/9/ip/rudp.c",
            "/sys/src/9/ip/udp.c",
            "/sys/src/9/ip/gre.c",
            "/sys/src/9/ip/tcp.c",
            "/sys/src/9/port/qio.c"
          ],
          "programRoutines": [
            {
              "name": "udpiput()"
            },
            {
              "name": "tcpiput()"
            },
            {
              "name": "rdpiput()"
            },
            {
              "name": "ilpullup()"
            },
            {
              "name": "greiput()"
            },
            {
              "name": "trimblock()"
            }
          ],
          "repo": "https://git.9front.org/plan9front/9front/HEAD/info.html",
          "vendor": "9front",
          "versions": [
            {
              "lessThan": "70c97c334171c715df82774d1a47638abaca2db4",
              "status": "affected",
              "version": "863431cff8b47fa20625f4cbee3ea4e92367b152",
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      "metrics": [
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            "Automatable": "YES",
            "Recovery": "AUTOMATIC",
            "Safety": "NOT_DEFINED",
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            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
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          "scenarios": [
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        "orgId": "1d66c9f9-fff2-411a-aa19-ca6312fa25e9",
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  "cveMetadata": {
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    "assignerShortName": "9front",
    "cveId": "CVE-2026-9054",
    "datePublished": "2026-05-22T03:21:49.646Z",
    "dateReserved": "2026-05-19T21:39:27.357Z",
    "dateUpdated": "2026-05-22T17:15:48.984Z",
    "state": "PUBLISHED"
  },
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-9054

CVE-2026-9054 (GCVE-0-2026-9054)

Tags

Sightings

Nomenclature