github - ghsa-7p3q-9c8m-84x3

ghsa-7p3q-9c8m-84x3

Vulnerability from github

Published

2025-12-16 18:31

Modified

2025-12-16 18:31

Details

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

io_uring/zctx: check chained notif contexts

Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68317"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-16T16:16:11Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/zctx: check chained notif contexts\n\nSend zc only links ubuf_info for requests coming from the same context.\nThere are some ambiguous syz reports, so let\u0027s check the assumption on\nnotification completion.",
  "id": "GHSA-7p3q-9c8m-84x3",
  "modified": "2025-12-16T18:31:34Z",
  "published": "2025-12-16T18:31:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68317"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aaafd17d3f4be2c15539359a5b4bfa00237f687f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ab3ea6eac5f45669b091309f592c4ea324003053"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d664a3ce3a604231a0b144c152a3755d03b18b60"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-68317 (GCVE-0-2025-68317)

Vulnerability from cvelistv5

Published

2025-12-16 15:39

Modified

2025-12-16 15:39

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: io_uring/zctx: check chained notif contexts Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion.

References

URL

Tags

	https://git.kernel.org/stable/c/aaafd17d3f4be2c15539359a5b4bfa00237f687f
	https://git.kernel.org/stable/c/d664a3ce3a604231a0b144c152a3755d03b18b60
	https://git.kernel.org/stable/c/ab3ea6eac5f45669b091309f592c4ea324003053

Impacted products

Vendor

Product

Version

Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "io_uring/notif.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "aaafd17d3f4be2c15539359a5b4bfa00237f687f",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "d664a3ce3a604231a0b144c152a3755d03b18b60",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "ab3ea6eac5f45669b091309f592c4ea324003053",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "io_uring/notif.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.58",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.58",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/zctx: check chained notif contexts\n\nSend zc only links ubuf_info for requests coming from the same context.\nThere are some ambiguous syz reports, so let\u0027s check the assumption on\nnotification completion."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-16T15:39:47.159Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/aaafd17d3f4be2c15539359a5b4bfa00237f687f"
        },
        {
          "url": "https://git.kernel.org/stable/c/d664a3ce3a604231a0b144c152a3755d03b18b60"
        },
        {
          "url": "https://git.kernel.org/stable/c/ab3ea6eac5f45669b091309f592c4ea324003053"
        }
      ],
      "title": "io_uring/zctx: check chained notif contexts",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68317",
    "datePublished": "2025-12-16T15:39:47.159Z",
    "dateReserved": "2025-12-16T14:48:05.295Z",
    "dateUpdated": "2025-12-16T15:39:47.159Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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