github - ghsa-w4qv-rrv4-jm4w

ghsa-w4qv-rrv4-jm4w

Vulnerability from github

Published

2024-11-19 03:31

Modified

2024-11-27 18:34

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: check outstanding simultaneous SMB operations

If Client send simultaneous SMB operations to ksmbd, It exhausts too much memory through the "ksmbd_work_cache”. It will cause OOM issue. ksmbd has a credit mechanism but it can't handle this problem. This patch add the check if it exceeds max credits to prevent this problem by assuming that one smb request consumes at least one credit.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2024-50285"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-11-19T02:16:30Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: check outstanding simultaneous SMB operations\n\nIf Client send simultaneous SMB operations to ksmbd, It exhausts too much\nmemory through the \"ksmbd_work_cache\u201d. It will cause OOM issue.\nksmbd has a credit mechanism but it can\u0027t handle this problem. This patch\nadd the check if it exceeds max credits to prevent this problem by assuming\nthat one smb request consumes at least one credit.",
  "id": "GHSA-w4qv-rrv4-jm4w",
  "modified": "2024-11-27T18:34:01Z",
  "published": "2024-11-19T03:31:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50285"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a77d947f599b1f39065015bec99390d0c0022ee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1f993777275cbd8f74765c4f9d9285cb907c9be5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e257ac6fe138623cf59fca8898abdf659dbc8356"
    }
  ],
  "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-2024-50285

Vulnerability from cvelistv5

Published

2024-11-19 01:30

Modified

2024-12-19 09:37

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: check outstanding simultaneous SMB operations If Client send simultaneous SMB operations to ksmbd, It exhausts too much memory through the "ksmbd_work_cache”. It will cause OOM issue. ksmbd has a credit mechanism but it can't handle this problem. This patch add the check if it exceeds max credits to prevent this problem by assuming that one smb request consumes at least one credit.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/1f993777275cbd8f74765c4f9d9285cb907c9be5
	https://git.kernel.org/stable/c/e257ac6fe138623cf59fca8898abdf659dbc8356
	https://git.kernel.org/stable/c/0a77d947f599b1f39065015bec99390d0c0022ee

Impacted products

Vendor

Product

Version

▼

Linux

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

Linux

Version: 5.15

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/connection.c",
            "fs/smb/server/connection.h",
            "fs/smb/server/server.c",
            "fs/smb/server/smb_common.c",
            "fs/smb/server/smb_common.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1f993777275cbd8f74765c4f9d9285cb907c9be5",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            },
            {
              "lessThan": "e257ac6fe138623cf59fca8898abdf659dbc8356",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            },
            {
              "lessThan": "0a77d947f599b1f39065015bec99390d0c0022ee",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/connection.c",
            "fs/smb/server/connection.h",
            "fs/smb/server/server.c",
            "fs/smb/server/smb_common.c",
            "fs/smb/server/smb_common.h"
          ],
          "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": "6.6.61",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.8",
              "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: check outstanding simultaneous SMB operations\n\nIf Client send simultaneous SMB operations to ksmbd, It exhausts too much\nmemory through the \"ksmbd_work_cache\u201d. It will cause OOM issue.\nksmbd has a credit mechanism but it can\u0027t handle this problem. This patch\nadd the check if it exceeds max credits to prevent this problem by assuming\nthat one smb request consumes at least one credit."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T09:37:19.038Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1f993777275cbd8f74765c4f9d9285cb907c9be5"
        },
        {
          "url": "https://git.kernel.org/stable/c/e257ac6fe138623cf59fca8898abdf659dbc8356"
        },
        {
          "url": "https://git.kernel.org/stable/c/0a77d947f599b1f39065015bec99390d0c0022ee"
        }
      ],
      "title": "ksmbd: check outstanding simultaneous SMB operations",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-50285",
    "datePublished": "2024-11-19T01:30:28.603Z",
    "dateReserved": "2024-10-21T19:36:19.984Z",
    "dateUpdated": "2024-12-19T09:37:19.038Z",
    "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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