Vulnerability-Lookup

GHSA-8P5G-G3V4-XPM6

Vulnerability from github – Published: 2026-05-27 15:33 – Updated: 2026-05-27 15:33

Details

In the Linux kernel, the following vulnerability has been resolved:

rxgk: Fix potential integer overflow in length check

Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding up the value to be tested (which might overflow), round down the size of the available data.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46039"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-27T14:17:23Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxgk: Fix potential integer overflow in length check\n\nFix potential integer overflow in rxgk_extract_token() when checking the\nlength of the ticket.  Rather than rounding up the value to be tested\n(which might overflow), round down the size of the available data.",
  "id": "GHSA-8p5g-g3v4-xpm6",
  "modified": "2026-05-27T15:33:21Z",
  "published": "2026-05-27T15:33:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46039"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/183d37f12d1c8ed24a5bfc7addad05510da22a94"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/43222ac484f93b3ec2d240a7575e1cedd31f5fa4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6929350080f4da292d111a3b33e53138fee51cec"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-46039 (GCVE-0-2026-46039)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:56 – Updated: 2026-05-27 12:56

Title

rxgk: Fix potential integer overflow in length check

Summary

In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding up the value to be tested (which might overflow), round down the size of the available data.

Severity

No CVSS data available.

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/43222ac484f93b3ec…
https://git.kernel.org/stable/c/183d37f12d1c8ed24…
https://git.kernel.org/stable/c/6929350080f4da292…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 2429a197648178cd4dc930a9d87c13c547460564 , < 43222ac484f93b3ec2d240a7575e1cedd31f5fa4 (git) Affected: 2429a197648178cd4dc930a9d87c13c547460564 , < 183d37f12d1c8ed24a5bfc7addad05510da22a94 (git) Affected: 2429a197648178cd4dc930a9d87c13c547460564 , < 6929350080f4da292d111a3b33e53138fee51cec (git) Affected: 71571e187106631a8127f2dde780f35caa358d33 (git) Affected: 6.16.9 , < 6.17 (semver)
Linux	Linux	Affected: 6.17 Unaffected: 0 , < 6.17 (semver) Unaffected: 6.18.27 , ≤ 6.18.* (semver) Unaffected: 7.0.4 , ≤ 7.0.* (semver) Unaffected: 7.1-rc1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/rxgk_app.c",
            "net/rxrpc/rxgk_common.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "43222ac484f93b3ec2d240a7575e1cedd31f5fa4",
              "status": "affected",
              "version": "2429a197648178cd4dc930a9d87c13c547460564",
              "versionType": "git"
            },
            {
              "lessThan": "183d37f12d1c8ed24a5bfc7addad05510da22a94",
              "status": "affected",
              "version": "2429a197648178cd4dc930a9d87c13c547460564",
              "versionType": "git"
            },
            {
              "lessThan": "6929350080f4da292d111a3b33e53138fee51cec",
              "status": "affected",
              "version": "2429a197648178cd4dc930a9d87c13c547460564",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "71571e187106631a8127f2dde780f35caa358d33",
              "versionType": "git"
            },
            {
              "lessThan": "6.17",
              "status": "affected",
              "version": "6.16.9",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/rxgk_app.c",
            "net/rxrpc/rxgk_common.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.27",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.27",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.4",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc1",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.16.9",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxgk: Fix potential integer overflow in length check\n\nFix potential integer overflow in rxgk_extract_token() when checking the\nlength of the ticket.  Rather than rounding up the value to be tested\n(which might overflow), round down the size of the available data."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T12:56:51.317Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/43222ac484f93b3ec2d240a7575e1cedd31f5fa4"
        },
        {
          "url": "https://git.kernel.org/stable/c/183d37f12d1c8ed24a5bfc7addad05510da22a94"
        },
        {
          "url": "https://git.kernel.org/stable/c/6929350080f4da292d111a3b33e53138fee51cec"
        }
      ],
      "title": "rxgk: Fix potential integer overflow in length check",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46039",
    "datePublished": "2026-05-27T12:56:51.317Z",
    "dateReserved": "2026-05-13T15:03:33.093Z",
    "dateUpdated": "2026-05-27T12:56:51.317Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-8P5G-G3V4-XPM6

CVE-2026-46039 (GCVE-0-2026-46039)

Tags

Sightings

Nomenclature