Vulnerability-Lookup

FKIE_CVE-2022-50856

Vulnerability from fkie_nvd - Published: 2025-12-30 13:16 - Updated: 2025-12-31 20:43

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_ses_add_channel() Before return, should free the xid, otherwise, the xid will be leaked.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7286f875510486fdc2fc426b7c826262e2283a65
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/847301f0ee1c29f34cc48547ce1071990f24969c
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/db2a8b6c17e128d91f35d836c569f4a6bda4471b
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e909d054bdea75ef1ec48c18c5936affdaecbb2c

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix xid leak in cifs_ses_add_channel()\n\nBefore return, should free the xid, otherwise, the\nxid will be leaked."
    }
  ],
  "id": "CVE-2022-50856",
  "lastModified": "2025-12-31T20:43:05.160",
  "metrics": {},
  "published": "2025-12-30T13:16:00.330",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7286f875510486fdc2fc426b7c826262e2283a65"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/847301f0ee1c29f34cc48547ce1071990f24969c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/db2a8b6c17e128d91f35d836c569f4a6bda4471b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e909d054bdea75ef1ec48c18c5936affdaecbb2c"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2022-50856 (GCVE-0-2022-50856)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:15 – Updated: 2025-12-30 12:15

Title

cifs: Fix xid leak in cifs_ses_add_channel()

Summary

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_ses_add_channel() Before return, should free the xid, otherwise, the xid will be leaked.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/7286f875510486fdc…
	https://git.kernel.org/stable/c/847301f0ee1c29f34…
	https://git.kernel.org/stable/c/db2a8b6c17e128d91…
	https://git.kernel.org/stable/c/e909d054bdea75ef1…

Impacted products

Vendor

Product

Version

Linux

Affected: d70e9fa55884760b6d6c293dbf20d8c52ce11fb7 , < 7286f875510486fdc2fc426b7c826262e2283a65 (git)
Affected: d70e9fa55884760b6d6c293dbf20d8c52ce11fb7 , < 847301f0ee1c29f34cc48547ce1071990f24969c (git)
Affected: d70e9fa55884760b6d6c293dbf20d8c52ce11fb7 , < db2a8b6c17e128d91f35d836c569f4a6bda4471b (git)
Affected: d70e9fa55884760b6d6c293dbf20d8c52ce11fb7 , < e909d054bdea75ef1ec48c18c5936affdaecbb2c (git)

Linux

Affected: 5.5
Unaffected: 0 , < 5.5 (semver)
Unaffected: 5.10.152 , ≤ 5.10.* (semver)
Unaffected: 5.15.76 , ≤ 5.15.* (semver)
Unaffected: 6.0.6 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/sess.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7286f875510486fdc2fc426b7c826262e2283a65",
              "status": "affected",
              "version": "d70e9fa55884760b6d6c293dbf20d8c52ce11fb7",
              "versionType": "git"
            },
            {
              "lessThan": "847301f0ee1c29f34cc48547ce1071990f24969c",
              "status": "affected",
              "version": "d70e9fa55884760b6d6c293dbf20d8c52ce11fb7",
              "versionType": "git"
            },
            {
              "lessThan": "db2a8b6c17e128d91f35d836c569f4a6bda4471b",
              "status": "affected",
              "version": "d70e9fa55884760b6d6c293dbf20d8c52ce11fb7",
              "versionType": "git"
            },
            {
              "lessThan": "e909d054bdea75ef1ec48c18c5936affdaecbb2c",
              "status": "affected",
              "version": "d70e9fa55884760b6d6c293dbf20d8c52ce11fb7",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/sess.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            },
            {
              "lessThan": "5.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.152",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.76",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.152",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.76",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.6",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix xid leak in cifs_ses_add_channel()\n\nBefore return, should free the xid, otherwise, the\nxid will be leaked."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:15:31.193Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7286f875510486fdc2fc426b7c826262e2283a65"
        },
        {
          "url": "https://git.kernel.org/stable/c/847301f0ee1c29f34cc48547ce1071990f24969c"
        },
        {
          "url": "https://git.kernel.org/stable/c/db2a8b6c17e128d91f35d836c569f4a6bda4471b"
        },
        {
          "url": "https://git.kernel.org/stable/c/e909d054bdea75ef1ec48c18c5936affdaecbb2c"
        }
      ],
      "title": "cifs: Fix xid leak in cifs_ses_add_channel()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50856",
    "datePublished": "2025-12-30T12:15:31.193Z",
    "dateReserved": "2025-12-30T12:06:07.135Z",
    "dateUpdated": "2025-12-30T12:15:31.193Z",
    "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

FKIE_CVE-2022-50856

CVE-2022-50856 (GCVE-0-2022-50856)

Tags

Sightings

Nomenclature