Vulnerability-Lookup

GHSA-J4R7-4685-8M4M

Vulnerability from github – Published: 2026-04-13 15:31 – Updated: 2026-04-18 09:30

Details

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

net/x25: Fix overflow when accumulating packets

Add a check to ensure that x25_sock.fraglen does not overflow.

The fraglen also needs to be resetted when purging fragment_queue in x25_clear_queues().

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-31417"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-13T14:16:11Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/x25: Fix overflow when accumulating packets\n\nAdd a check to ensure that `x25_sock.fraglen` does not overflow.\n\nThe `fraglen` also needs to be resetted when purging `fragment_queue` in\n`x25_clear_queues()`.",
  "id": "GHSA-j4r7-4685-8m4m",
  "modified": "2026-04-18T09:30:20Z",
  "published": "2026-04-13T15:31:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31417"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/798d613afb64b01a203f448fb0f43c37c6afe79d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/96fc16370b0bceb289c7e0479bd0540b81e257aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-31417 (GCVE-0-2026-31417)

Vulnerability from cvelistv5 – Published: 2026-04-13 13:21 – Updated: 2026-04-18 08:59

Title

net/x25: Fix overflow when accumulating packets

Summary

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix overflow when accumulating packets Add a check to ensure that `x25_sock.fraglen` does not overflow. The `fraglen` also needs to be resetted when purging `fragment_queue` in `x25_clear_queues()`.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/96fc16370b0bceb28…
	https://git.kernel.org/stable/c/798d613afb64b01a2…
	https://git.kernel.org/stable/c/6e568835ea54a3e1d…
	https://git.kernel.org/stable/c/1734bd85c5e0a7a80…
	https://git.kernel.org/stable/c/4e2d1bcef78d21247…
	https://git.kernel.org/stable/c/8c92969c197b91c13…
	https://git.kernel.org/stable/c/f953f11ccf4afe6fe…
	https://git.kernel.org/stable/c/a1822cb524e89b4cd…

Impacted products

Vendor

Product

Version

Linux

Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 96fc16370b0bceb289c7e0479bd0540b81e257aa (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 798d613afb64b01a203f448fb0f43c37c6afe79d (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6e568835ea54a3e1d08e310e34f95d434e739477 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1734bd85c5e0a7a801295b729efb56b009cb8fc3 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4e2d1bcef78d21247fe8fef13bc7ed95885df2b5 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8c92969c197b91c134be27dc3afb64ab468853a9 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f953f11ccf4afe6feb635c08145f4240d9a6b544 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a1822cb524e89b4cd2cf0b82e484a2335496a6d9 (git)

Linux

Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 5.10.253 , ≤ 5.10.* (semver)
Unaffected: 5.15.203 , ≤ 5.15.* (semver)
Unaffected: 6.1.168 , ≤ 6.1.* (semver)
Unaffected: 6.6.134 , ≤ 6.6.* (semver)
Unaffected: 6.12.81 , ≤ 6.12.* (semver)
Unaffected: 6.18.22 , ≤ 6.18.* (semver)
Unaffected: 6.19.12 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/x25/x25_in.c",
            "net/x25/x25_subr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "96fc16370b0bceb289c7e0479bd0540b81e257aa",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "798d613afb64b01a203f448fb0f43c37c6afe79d",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "6e568835ea54a3e1d08e310e34f95d434e739477",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "1734bd85c5e0a7a801295b729efb56b009cb8fc3",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "4e2d1bcef78d21247fe8fef13bc7ed95885df2b5",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "8c92969c197b91c134be27dc3afb64ab468853a9",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "f953f11ccf4afe6feb635c08145f4240d9a6b544",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "a1822cb524e89b4cd2cf0b82e484a2335496a6d9",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/x25/x25_in.c",
            "net/x25/x25_subr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.12"
            },
            {
              "lessThan": "2.6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.203",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.168",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.134",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.81",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.22",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.253",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.203",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.168",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.134",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.81",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.22",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.12",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/x25: Fix overflow when accumulating packets\n\nAdd a check to ensure that `x25_sock.fraglen` does not overflow.\n\nThe `fraglen` also needs to be resetted when purging `fragment_queue` in\n`x25_clear_queues()`."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-18T08:59:30.825Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/96fc16370b0bceb289c7e0479bd0540b81e257aa"
        },
        {
          "url": "https://git.kernel.org/stable/c/798d613afb64b01a203f448fb0f43c37c6afe79d"
        },
        {
          "url": "https://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477"
        },
        {
          "url": "https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3"
        },
        {
          "url": "https://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5"
        },
        {
          "url": "https://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9"
        },
        {
          "url": "https://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544"
        },
        {
          "url": "https://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9"
        }
      ],
      "title": "net/x25: Fix overflow when accumulating packets",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31417",
    "datePublished": "2026-04-13T13:21:04.638Z",
    "dateReserved": "2026-03-09T15:48:24.087Z",
    "dateUpdated": "2026-04-18T08:59:30.825Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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-J4R7-4685-8M4M

CVE-2026-31417 (GCVE-0-2026-31417)

Tags

Sightings

Nomenclature