Vulnerability-Lookup

GHSA-C523-5R9J-WQH7

Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-15 06:32

Details

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

netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak

This needs to test for nonzero retval.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-72433"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-15T06:22:17Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak\n\nThis needs to test for nonzero retval.",
  "id": "GHSA-c523-5r9j-wqh7",
  "modified": "2026-08-15T06:32:24Z",
  "published": "2026-08-15T06:32:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72433"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27dd2997746d54ebc079bb13161cc1bdd401d4a6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4dce8bf588a89bef99b446136d15685a837e7acf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e23965d44f06ed93fb5362fb1e321b769eecc3b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/92c9682b36f0c8f7a1f14d4558b72793f62e90a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a853c3769b73ceb2d2b735aff621d1d51fe0553d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c37a39b963034cc2d141baf46017614cb1fc275f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f73b7de5338fcca7f63ca88597a050c119501531"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-72433 (GCVE-0-2026-72433)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:56 – Updated: 2026-08-17 05:14

Title

netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak This needs to test for nonzero retval.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/c37a39b963034cc2d…
https://git.kernel.org/stable/c/a853c3769b73ceb2d…
https://git.kernel.org/stable/c/b1b0b9efe641afa5c…
https://git.kernel.org/stable/c/f73b7de5338fcca7f…
https://git.kernel.org/stable/c/92c9682b36f0c8f7a…
https://git.kernel.org/stable/c/7e23965d44f06ed93…
https://git.kernel.org/stable/c/4dce8bf588a89bef9…
https://git.kernel.org/stable/c/27dd2997746d54ebc…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c54c7c685494fc0f1662091d4d0c4fc26e810471 , < c37a39b963034cc2d141baf46017614cb1fc275f (git) Affected: c54c7c685494fc0f1662091d4d0c4fc26e810471 , < a853c3769b73ceb2d2b735aff621d1d51fe0553d (git) Affected: c54c7c685494fc0f1662091d4d0c4fc26e810471 , < b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398 (git) Affected: c54c7c685494fc0f1662091d4d0c4fc26e810471 , < f73b7de5338fcca7f63ca88597a050c119501531 (git) Affected: c54c7c685494fc0f1662091d4d0c4fc26e810471 , < 92c9682b36f0c8f7a1f14d4558b72793f62e90a1 (git) Affected: c54c7c685494fc0f1662091d4d0c4fc26e810471 , < 7e23965d44f06ed93fb5362fb1e321b769eecc3b (git) Affected: c54c7c685494fc0f1662091d4d0c4fc26e810471 , < 4dce8bf588a89bef99b446136d15685a837e7acf (git) Affected: c54c7c685494fc0f1662091d4d0c4fc26e810471 , < 27dd2997746d54ebc079bb13161cc1bdd401d4a6 (git)
Linux	Linux	Affected: 5.3 Unaffected: 0 , < 5.3 (semver) Unaffected: 5.10.261 , ≤ 5.10.* (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.97 , ≤ 6.12.* (semver) Unaffected: 6.18.40 , ≤ 6.18.* (semver) Unaffected: 7.1.5 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/bridge/netfilter/nft_meta_bridge.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c37a39b963034cc2d141baf46017614cb1fc275f",
              "status": "affected",
              "version": "c54c7c685494fc0f1662091d4d0c4fc26e810471",
              "versionType": "git"
            },
            {
              "lessThan": "a853c3769b73ceb2d2b735aff621d1d51fe0553d",
              "status": "affected",
              "version": "c54c7c685494fc0f1662091d4d0c4fc26e810471",
              "versionType": "git"
            },
            {
              "lessThan": "b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398",
              "status": "affected",
              "version": "c54c7c685494fc0f1662091d4d0c4fc26e810471",
              "versionType": "git"
            },
            {
              "lessThan": "f73b7de5338fcca7f63ca88597a050c119501531",
              "status": "affected",
              "version": "c54c7c685494fc0f1662091d4d0c4fc26e810471",
              "versionType": "git"
            },
            {
              "lessThan": "92c9682b36f0c8f7a1f14d4558b72793f62e90a1",
              "status": "affected",
              "version": "c54c7c685494fc0f1662091d4d0c4fc26e810471",
              "versionType": "git"
            },
            {
              "lessThan": "7e23965d44f06ed93fb5362fb1e321b769eecc3b",
              "status": "affected",
              "version": "c54c7c685494fc0f1662091d4d0c4fc26e810471",
              "versionType": "git"
            },
            {
              "lessThan": "4dce8bf588a89bef99b446136d15685a837e7acf",
              "status": "affected",
              "version": "c54c7c685494fc0f1662091d4d0c4fc26e810471",
              "versionType": "git"
            },
            {
              "lessThan": "27dd2997746d54ebc079bb13161cc1bdd401d4a6",
              "status": "affected",
              "version": "c54c7c685494fc0f1662091d4d0c4fc26e810471",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/bridge/netfilter/nft_meta_bridge.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.3"
            },
            {
              "lessThan": "5.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.261",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.212",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.178",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak\n\nThis needs to test for nonzero retval."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:14:33.263Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c37a39b963034cc2d141baf46017614cb1fc275f"
        },
        {
          "url": "https://git.kernel.org/stable/c/a853c3769b73ceb2d2b735aff621d1d51fe0553d"
        },
        {
          "url": "https://git.kernel.org/stable/c/b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398"
        },
        {
          "url": "https://git.kernel.org/stable/c/f73b7de5338fcca7f63ca88597a050c119501531"
        },
        {
          "url": "https://git.kernel.org/stable/c/92c9682b36f0c8f7a1f14d4558b72793f62e90a1"
        },
        {
          "url": "https://git.kernel.org/stable/c/7e23965d44f06ed93fb5362fb1e321b769eecc3b"
        },
        {
          "url": "https://git.kernel.org/stable/c/4dce8bf588a89bef99b446136d15685a837e7acf"
        },
        {
          "url": "https://git.kernel.org/stable/c/27dd2997746d54ebc079bb13161cc1bdd401d4a6"
        }
      ],
      "title": "netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72433",
    "datePublished": "2026-08-15T05:56:48.117Z",
    "dateReserved": "2026-08-09T03:40:39.929Z",
    "dateUpdated": "2026-08-17T05:14:33.263Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-C523-5R9J-WQH7

CVE-2026-72433 (GCVE-0-2026-72433)

Tags

Sightings

Nomenclature