github - ghsa-94p2-m4qf-5m97

ghsa-94p2-m4qf-5m97

Vulnerability from github

Published

2024-10-21 18:30

Modified

2024-10-28 18:31

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

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

ksmbd: add refcnt to ksmbd_conn struct

When sending an oplock break request, opinfo->conn is used, But freed ->conn can be used on multichannel. This patch add a reference count to the ksmbd_conn struct so that it can be freed when it is no longer used.

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JSON

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{
   affected: [],
   aliases: [
      "CVE-2024-49988",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-416",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2024-10-21T18:15:19Z",
      severity: "MODERATE",
   },
   details: "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: add refcnt to ksmbd_conn struct\n\nWhen sending an oplock break request, opinfo->conn is used,\nBut freed ->conn can be used on multichannel.\nThis patch add a reference count to the ksmbd_conn struct\nso that it can be freed when it is no longer used.",
   id: "GHSA-94p2-m4qf-5m97",
   modified: "2024-10-28T18:31:39Z",
   published: "2024-10-21T18:30:59Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-49988",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/18f06bacc197d4ac9b518ad1c69999bc3d83e7aa",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/e9dac92f4482a382e8c0fe1bc243da5fc3526b0c",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/ee426bfb9d09b29987369b897fe9b6485ac2be27",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
}

cve-2024-49988

Vulnerability from cvelistv5

Published

2024-10-21 18:02

Modified

2024-12-19 09:30

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add refcnt to ksmbd_conn struct When sending an oplock break request, opinfo->conn is used, But freed ->conn can be used on multichannel. This patch add a reference count to the ksmbd_conn struct so that it can be freed when it is no longer used.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/18f06bacc197d4ac9b518ad1c69999bc3d83e7aa
	https://git.kernel.org/stable/c/9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b
	https://git.kernel.org/stable/c/e9dac92f4482a382e8c0fe1bc243da5fc3526b0c
	https://git.kernel.org/stable/c/ee426bfb9d09b29987369b897fe9b6485ac2be27

Impacted products

Vendor

Product

Version

▼

Linux

Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf

Linux

Version: 5.15

Show details on NVD website

JSON

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{
   containers: {
      adp: [
         {
            metrics: [
               {
                  other: {
                     content: {
                        id: "CVE-2024-49988",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "partial",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2024-10-22T13:31:36.656509Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            providerMetadata: {
               dateUpdated: "2024-10-22T13:38:43.274Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               defaultStatus: "unaffected",
               product: "Linux",
               programFiles: [
                  "fs/smb/server/connection.c",
                  "fs/smb/server/connection.h",
                  "fs/smb/server/oplock.c",
                  "fs/smb/server/vfs_cache.c",
               ],
               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               vendor: "Linux",
               versions: [
                  {
                     lessThan: "18f06bacc197d4ac9b518ad1c69999bc3d83e7aa",
                     status: "affected",
                     version: "0626e6641f6b467447c81dd7678a69c66f7746cf",
                     versionType: "git",
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                     lessThan: "9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b",
                     status: "affected",
                     version: "0626e6641f6b467447c81dd7678a69c66f7746cf",
                     versionType: "git",
                  },
                  {
                     lessThan: "e9dac92f4482a382e8c0fe1bc243da5fc3526b0c",
                     status: "affected",
                     version: "0626e6641f6b467447c81dd7678a69c66f7746cf",
                     versionType: "git",
                  },
                  {
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                     status: "affected",
                     version: "0626e6641f6b467447c81dd7678a69c66f7746cf",
                     versionType: "git",
                  },
               ],
            },
            {
               defaultStatus: "affected",
               product: "Linux",
               programFiles: [
                  "fs/smb/server/connection.c",
                  "fs/smb/server/connection.h",
                  "fs/smb/server/oplock.c",
                  "fs/smb/server/vfs_cache.c",
               ],
               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               vendor: "Linux",
               versions: [
                  {
                     status: "affected",
                     version: "5.15",
                  },
                  {
                     lessThan: "5.15",
                     status: "unaffected",
                     version: "0",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "6.6.*",
                     status: "unaffected",
                     version: "6.6.55",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "6.10.*",
                     status: "unaffected",
                     version: "6.10.14",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "6.11.*",
                     status: "unaffected",
                     version: "6.11.3",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "*",
                     status: "unaffected",
                     version: "6.12",
                     versionType: "original_commit_for_fix",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: add refcnt to ksmbd_conn struct\n\nWhen sending an oplock break request, opinfo->conn is used,\nBut freed ->conn can be used on multichannel.\nThis patch add a reference count to the ksmbd_conn struct\nso that it can be freed when it is no longer used.",
            },
         ],
         providerMetadata: {
            dateUpdated: "2024-12-19T09:30:46.956Z",
            orgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            shortName: "Linux",
         },
         references: [
            {
               url: "https://git.kernel.org/stable/c/18f06bacc197d4ac9b518ad1c69999bc3d83e7aa",
            },
            {
               url: "https://git.kernel.org/stable/c/9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b",
            },
            {
               url: "https://git.kernel.org/stable/c/e9dac92f4482a382e8c0fe1bc243da5fc3526b0c",
            },
            {
               url: "https://git.kernel.org/stable/c/ee426bfb9d09b29987369b897fe9b6485ac2be27",
            },
         ],
         title: "ksmbd: add refcnt to ksmbd_conn struct",
         x_generator: {
            engine: "bippy-5f407fcff5a0",
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      assignerShortName: "Linux",
      cveId: "CVE-2024-49988",
      datePublished: "2024-10-21T18:02:31.845Z",
      dateReserved: "2024-10-21T12:17:06.054Z",
      dateUpdated: "2024-12-19T09:30:46.956Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
}

All sightings related to this event Export sightings related to this event

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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