github - ghsa-v2j2-ph6r-wrg9

ghsa-v2j2-ph6r-wrg9

Vulnerability from github

Published

2024-02-29 06:30

Modified

2024-02-29 06:30

Details

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

ksmbd: fix race condition between session lookup and expire

This patch add rwsem to fix race condition between ksmbd_session_lookup and ksmbd_expire_session.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2023-52480"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-29T06:15:46Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix race condition between session lookup and expire\n\n Thread A                        +  Thread B\n ksmbd_session_lookup            |  smb2_sess_setup\n   sess = xa_load                |\n                                 |\n                                 |    xa_erase(\u0026conn-\u003esessions, sess-\u003eid);\n                                 |\n                                 |    ksmbd_session_destroy(sess) --\u003e kfree(sess)\n                                 |\n   // UAF!                       |\n   sess-\u003elast_active = jiffies   |\n                                 +\n\nThis patch add rwsem to fix race condition between ksmbd_session_lookup\nand ksmbd_expire_session.",
  "id": "GHSA-v2j2-ph6r-wrg9",
  "modified": "2024-02-29T06:30:32Z",
  "published": "2024-02-29T06:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52480"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2023-52480

Vulnerability from cvelistv5

Published

2024-02-29 05:43

Modified

2024-11-04 14:47

Severity ?

Summary

ksmbd: fix race condition between session lookup and expire

References

▼	URL	Tags
	https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f
	https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b
	https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be
	https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f

Impacted products

▼	Vendor	Product
	Linux	Linux
	Linux	Linux

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T23:03:19.830Z",
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            "url": "https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f"
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            "tags": [
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            "url": "https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b"
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            "url": "https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be"
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            "url": "https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f"
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        ],
        "title": "CVE Program Container"
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-52480",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:57:23.856280Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:33:52.199Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/connection.c",
            "fs/smb/server/connection.h",
            "fs/smb/server/mgmt/user_session.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "6.6",
              "versionType": "original_commit_for_fix"
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix race condition between session lookup and expire\n\n Thread A                        +  Thread B\n ksmbd_session_lookup            |  smb2_sess_setup\n   sess = xa_load                |\n                                 |\n                                 |    xa_erase(\u0026conn-\u003esessions, sess-\u003eid);\n                                 |\n                                 |    ksmbd_session_destroy(sess) --\u003e kfree(sess)\n                                 |\n   // UAF!                       |\n   sess-\u003elast_active = jiffies   |\n                                 +\n\nThis patch add rwsem to fix race condition between ksmbd_session_lookup\nand ksmbd_expire_session."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T14:47:40.193Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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      "x_generator": {
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
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    "datePublished": "2024-02-29T05:43:12.019Z",
    "dateReserved": "2024-02-20T12:30:33.300Z",
    "dateUpdated": "2024-11-04T14:47:40.193Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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