Vulnerability-Lookup

GHSA-GGV5-F87X-RF79

Vulnerability from github – Published: 2026-05-22 06:31 – Updated: 2026-05-22 06:31

Details

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

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  "affected": [],
  "aliases": [
    "CVE-2026-9054"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-22T04:16:28Z",
    "severity": "CRITICAL"
  },
  "details": "An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel panic.",
  "id": "GHSA-ggv5-f87x-rf79",
  "modified": "2026-05-22T06:31:38Z",
  "published": "2026-05-22T06:31:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9054"
    },
    {
      "type": "WEB",
      "url": "https://git.9front.org/plan9front/9front/70c97c334171c715df82774d1a47638abaca2db4/commit.html"
    },
    {
      "type": "WEB",
      "url": "https://git.9front.org/plan9front/9front/7838d68969549f938cc8e80c0c2b4218cb12805c/commit.html"
    },
    {
      "type": "WEB",
      "url": "https://git.9front.org/plan9front/9front/f86917b75e9562f90545b7e484dbdcd748236952/commit.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

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

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            "other": {
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                "id": "CVE-2026-9054",
                "options": [
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                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-22T16:11:35.411313Z",
                "version": "2.0.3"
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        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-130",
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                "lang": "en",
                "type": "CWE"
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        "providerMetadata": {
          "dateUpdated": "2026-05-22T16:12:40.142Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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            "32 bit"
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          "programFiles": [
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            "/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()"
            }
          ],
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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

GHSA-GGV5-F87X-RF79

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

Tags

Sightings

Nomenclature