CVE-2022-50176 (GCVE-0-2022-50176)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:03 – Updated: 2025-06-18 11:03
VLAI?
Title
drm/mcde: Fix refcount leak in mcde_dsi_bind
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/mcde: Fix refcount leak in mcde_dsi_bind Every iteration of for_each_available_child_of_node() decrements the reference counter of the previous node. There is no decrement when break out from the loop and results in refcount leak. Add missing of_node_put() to fix this.
Severity ?
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 5fc537bfd00033a3f813330175f7f12c25957ebf , < 87c35bbefdfa3c5edfb8c80f5c04717aaacc629d (git)
Affected: 5fc537bfd00033a3f813330175f7f12c25957ebf , < f57699a9b66ea11f000f56d1f1179059239b8690 (git)
Affected: 5fc537bfd00033a3f813330175f7f12c25957ebf , < 3123ae6fdd4013d24a3a4877084b14e917faae5c (git)
Affected: 5fc537bfd00033a3f813330175f7f12c25957ebf , < 7214902de5b1fb2b632a7b8b3b9540e41aabab38 (git)
Affected: 5fc537bfd00033a3f813330175f7f12c25957ebf , < 32c827e30bb44ae809950a9efab59e98e44d30e5 (git)
Affected: 5fc537bfd00033a3f813330175f7f12c25957ebf , < 3a149169e4a2f9127022fec6ef5d71b4e804b3b9 (git)
Create a notification for this product.
    Linux Linux Affected: 5.3
Unaffected: 0 , < 5.3 (semver)
Unaffected: 5.4.211 , ≤ 5.4.* (semver)
Unaffected: 5.10.137 , ≤ 5.10.* (semver)
Unaffected: 5.15.61 , ≤ 5.15.* (semver)
Unaffected: 5.18.18 , ≤ 5.18.* (semver)
Unaffected: 5.19.2 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/mcde/mcde_dsi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "87c35bbefdfa3c5edfb8c80f5c04717aaacc629d",
              "status": "affected",
              "version": "5fc537bfd00033a3f813330175f7f12c25957ebf",
              "versionType": "git"
            },
            {
              "lessThan": "f57699a9b66ea11f000f56d1f1179059239b8690",
              "status": "affected",
              "version": "5fc537bfd00033a3f813330175f7f12c25957ebf",
              "versionType": "git"
            },
            {
              "lessThan": "3123ae6fdd4013d24a3a4877084b14e917faae5c",
              "status": "affected",
              "version": "5fc537bfd00033a3f813330175f7f12c25957ebf",
              "versionType": "git"
            },
            {
              "lessThan": "7214902de5b1fb2b632a7b8b3b9540e41aabab38",
              "status": "affected",
              "version": "5fc537bfd00033a3f813330175f7f12c25957ebf",
              "versionType": "git"
            },
            {
              "lessThan": "32c827e30bb44ae809950a9efab59e98e44d30e5",
              "status": "affected",
              "version": "5fc537bfd00033a3f813330175f7f12c25957ebf",
              "versionType": "git"
            },
            {
              "lessThan": "3a149169e4a2f9127022fec6ef5d71b4e804b3b9",
              "status": "affected",
              "version": "5fc537bfd00033a3f813330175f7f12c25957ebf",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/mcde/mcde_dsi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.3"
            },
            {
              "lessThan": "5.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.211",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.137",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.61",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.18",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.211",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.137",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.61",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18.18",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.2",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mcde: Fix refcount leak in mcde_dsi_bind\n\nEvery iteration of for_each_available_child_of_node() decrements\nthe reference counter of the previous node. There is no decrement\nwhen break out from the loop and results in refcount leak.\nAdd missing of_node_put() to fix this."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:03:26.972Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/87c35bbefdfa3c5edfb8c80f5c04717aaacc629d"
        },
        {
          "url": "https://git.kernel.org/stable/c/f57699a9b66ea11f000f56d1f1179059239b8690"
        },
        {
          "url": "https://git.kernel.org/stable/c/3123ae6fdd4013d24a3a4877084b14e917faae5c"
        },
        {
          "url": "https://git.kernel.org/stable/c/7214902de5b1fb2b632a7b8b3b9540e41aabab38"
        },
        {
          "url": "https://git.kernel.org/stable/c/32c827e30bb44ae809950a9efab59e98e44d30e5"
        },
        {
          "url": "https://git.kernel.org/stable/c/3a149169e4a2f9127022fec6ef5d71b4e804b3b9"
        }
      ],
      "title": "drm/mcde: Fix refcount leak in mcde_dsi_bind",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50176",
    "datePublished": "2025-06-18T11:03:26.972Z",
    "dateReserved": "2025-06-18T10:57:27.427Z",
    "dateUpdated": "2025-06-18T11:03:26.972Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…