github - ghsa-c6c4-gfjc-9wrj

GHSA-C6C4-GFJC-9WRJ

Vulnerability from github – Published: 2025-07-25 18:30 – Updated: 2025-11-03 18:31

Details

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

ksmbd: fix potential use-after-free in oplock/lease break ack

If ksmbd_iov_pin_rsp return error, use-after-free can happen by accessing opinfo->state and opinfo_put and ksmbd_fd_put could called twice.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38437"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-25T16:15:29Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix potential use-after-free in oplock/lease break ack\n\nIf ksmbd_iov_pin_rsp return error, use-after-free can happen by\naccessing opinfo-\u003estate and opinfo_put and ksmbd_fd_put could\ncalled twice.",
  "id": "GHSA-c6c4-gfjc-9wrj",
  "modified": "2025-11-03T18:31:28Z",
  "published": "2025-07-25T18:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38437"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/50f930db22365738d9387c974416f38a06e8057e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8106adc21a2270c16abf69cd74ccd7c79c6e7acd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/815f1161d6dbc4c54ccf94b7d3fdeab34b4d7477"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/97c355989928a5f60b228ef5266c1be67a46cdf9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e38ec88a2b42c494601b1213816d75f0b54d9bf0"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-38437 (GCVE-0-2025-38437)

Vulnerability from cvelistv5 – Published: 2025-07-25 15:27 – Updated: 2025-11-03 17:38

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potential use-after-free in oplock/lease break ack If ksmbd_iov_pin_rsp return error, use-after-free can happen by accessing opinfo->state and opinfo_put and ksmbd_fd_put could called twice.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e38ec88a2b42c4946…
	https://git.kernel.org/stable/c/97c355989928a5f60…
	https://git.kernel.org/stable/c/815f1161d6dbc4c54…
	https://git.kernel.org/stable/c/8106adc21a2270c16…
	https://git.kernel.org/stable/c/50f930db22365738d…

Impacted products

Vendor

Product

Version

Linux

Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < e38ec88a2b42c494601b1213816d75f0b54d9bf0 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 97c355989928a5f60b228ef5266c1be67a46cdf9 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 815f1161d6dbc4c54ccf94b7d3fdeab34b4d7477 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 8106adc21a2270c16abf69cd74ccd7c79c6e7acd (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 50f930db22365738d9387c974416f38a06e8057e (git)

Linux

Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 6.1.146 , ≤ 6.1.* (semver)
Unaffected: 6.6.99 , ≤ 6.6.* (semver)
Unaffected: 6.12.39 , ≤ 6.12.* (semver)
Unaffected: 6.15.7 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T17:38:00.632Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
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          "programFiles": [
            "fs/smb/server/smb2pdu.c"
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              "versionType": "git"
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.146",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.99",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.39",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
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                }
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      "descriptions": [
        {
          "lang": "en",
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        }
      ],
      "providerMetadata": {
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        "shortName": "Linux"
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        {
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      ],
      "title": "ksmbd: fix potential use-after-free in oplock/lease break ack",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    "datePublished": "2025-07-25T15:27:16.995Z",
    "dateReserved": "2025-04-16T04:51:24.016Z",
    "dateUpdated": "2025-11-03T17:38:00.632Z",
    "state": "PUBLISHED"
  },
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  "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-C6C4-GFJC-9WRJ

CVE-2025-38437 (GCVE-0-2025-38437)

Tags

Sightings

Nomenclature