github - ghsa-x47f-6fjp-7wj4

GHSA-X47F-6FJP-7WJ4

Vulnerability from github – Published: 2025-12-09 03:31 – Updated: 2025-12-09 03:31

Details

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

cifs: fix session state check in reconnect to avoid use-after-free issue

Don't collect exiting session in smb2_reconnect_server(), because it will be released soon.

Note that the exiting session will stay in server->smb_ses_list until it complete the cifs_free_ipc() and logoff() and then delete itself from the list.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53794"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-09T01:16:50Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix session state check in reconnect to avoid use-after-free issue\n\nDon\u0027t collect exiting session in smb2_reconnect_server(), because it\nwill be released soon.\n\nNote that the exiting session will stay in server-\u003esmb_ses_list until\nit complete the cifs_free_ipc() and logoff() and then delete itself\nfrom the list.",
  "id": "GHSA-x47f-6fjp-7wj4",
  "modified": "2025-12-09T03:31:11Z",
  "published": "2025-12-09T03:31:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53794"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/759ffc164d95a32c09528766d74d9b4fb054e8f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e4f5c3f01fb0e51ca438e43262d858daf9a0a76"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99f280700b4cc02d5f141b8d15f8e9fad0418f65"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2023-53794 (GCVE-0-2023-53794)

Vulnerability from cvelistv5 – Published: 2025-12-09 00:00 – Updated: 2025-12-09 00:00

Summary

In the Linux kernel, the following vulnerability has been resolved: cifs: fix session state check in reconnect to avoid use-after-free issue Don't collect exiting session in smb2_reconnect_server(), because it will be released soon. Note that the exiting session will stay in server->smb_ses_list until it complete the cifs_free_ipc() and logoff() and then delete itself from the list.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/7e4f5c3f01fb0e51c…
	https://git.kernel.org/stable/c/759ffc164d95a32c0…
	https://git.kernel.org/stable/c/99f280700b4cc02d5…

Impacted products

Vendor

Product

Version

Linux

Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7e4f5c3f01fb0e51ca438e43262d858daf9a0a76 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 759ffc164d95a32c09528766d74d9b4fb054e8f4 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 99f280700b4cc02d5f141b8d15f8e9fad0418f65 (git)

Linux

Unaffected: 6.1.47 , ≤ 6.1.* (semver)
Unaffected: 6.4.12 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/smb2pdu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7e4f5c3f01fb0e51ca438e43262d858daf9a0a76",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "759ffc164d95a32c09528766d74d9b4fb054e8f4",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "99f280700b4cc02d5f141b8d15f8e9fad0418f65",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/smb2pdu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.47",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.47",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix session state check in reconnect to avoid use-after-free issue\n\nDon\u0027t collect exiting session in smb2_reconnect_server(), because it\nwill be released soon.\n\nNote that the exiting session will stay in server-\u003esmb_ses_list until\nit complete the cifs_free_ipc() and logoff() and then delete itself\nfrom the list."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-09T00:00:51.061Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7e4f5c3f01fb0e51ca438e43262d858daf9a0a76"
        },
        {
          "url": "https://git.kernel.org/stable/c/759ffc164d95a32c09528766d74d9b4fb054e8f4"
        },
        {
          "url": "https://git.kernel.org/stable/c/99f280700b4cc02d5f141b8d15f8e9fad0418f65"
        }
      ],
      "title": "cifs: fix session state check in reconnect to avoid use-after-free issue",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53794",
    "datePublished": "2025-12-09T00:00:51.061Z",
    "dateReserved": "2025-12-08T23:58:35.274Z",
    "dateUpdated": "2025-12-09T00:00:51.061Z",
    "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-X47F-6FJP-7WJ4

CVE-2023-53794 (GCVE-0-2023-53794)

Tags

Sightings

Nomenclature