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CVE-2024-53056 (GCVE-0-2024-53056)

Vulnerability from cvelistv5 – Published: 2024-11-19 17:19 – Updated: 2026-05-23 15:55
VLAI
Title
drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy() In mtk_crtc_create(), if the call to mbox_request_channel() fails then we set the "mtk_crtc->cmdq_client.chan" pointer to NULL. In that situation, we do not call cmdq_pkt_create(). During the cleanup, we need to check if the "mtk_crtc->cmdq_client.chan" is NULL first before calling cmdq_pkt_destroy(). Calling cmdq_pkt_destroy() is unnecessary if we didn't call cmdq_pkt_create() and it will result in a NULL pointer dereference.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:13 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7627122fd1c06800a1fe624e9fb3c269796115e8 , < c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2 (git)
Affected: 7627122fd1c06800a1fe624e9fb3c269796115e8 , < 4018651ba5c409034149f297d3dd3328b91561fd (git)
Affected: 2c4396693698e876e559768d3d3a150c672ec384 (git)
Affected: 5.15.54 , < 5.16 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 6.11.7 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

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      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:18:21+00:00",
      "cve": "CVE-2024-53056",
      "id": "CVE-2024-53056",
      "initial_release_date": "2024-11-19T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-53056.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T01:41:33Z",
      "cve": "CVE-2024-53056",
      "id": "CVE-2024-53056",
      "initial_release_date": "2024-11-20T03:49:06Z",
      "product_status:known_affected": "408",
      "product_status:known_not_affected": "344",
      "product_status:recommended": "390",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-53056",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-53056.json",
      "version": "60"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 5.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2024-53056",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-10-01T20:13:00.629293Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-476",
                    "description": "CWE-476 NULL Pointer Dereference",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-01T15:29:32.471Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/mediatek/mtk_crtc.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2",
                  "status": "affected",
                  "version": "7627122fd1c06800a1fe624e9fb3c269796115e8",
                  "versionType": "git"
                },
                {
                  "lessThan": "4018651ba5c409034149f297d3dd3328b91561fd",
                  "status": "affected",
                  "version": "7627122fd1c06800a1fe624e9fb3c269796115e8",
                  "versionType": "git"
                },
                {
                  "status": "affected",
                  "version": "2c4396693698e876e559768d3d3a150c672ec384",
                  "versionType": "git"
                },
                {
                  "lessThan": "5.16",
                  "status": "affected",
                  "version": "5.15.54",
                  "versionType": "semver"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/mediatek/mtk_crtc.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "5.17"
                },
                {
                  "lessThan": "5.17",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.11.*",
                  "status": "unaffected",
                  "version": "6.11.7",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.12",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.11.7",
                      "versionStartIncluding": "5.17",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12",
                      "versionStartIncluding": "5.17",
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                    },
                    {
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                      "versionStartIncluding": "5.15.54",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()\n\nIn mtk_crtc_create(), if the call to mbox_request_channel() fails then we\nset the \"mtk_crtc-\u003ecmdq_client.chan\" pointer to NULL.  In that situation,\nwe do not call cmdq_pkt_create().\n\nDuring the cleanup, we need to check if the \"mtk_crtc-\u003ecmdq_client.chan\"\nis NULL first before calling cmdq_pkt_destroy().  Calling\ncmdq_pkt_destroy() is unnecessary if we didn\u0027t call cmdq_pkt_create() and\nit will result in a NULL pointer dereference."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-23T15:55:04.637Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2"
            },
            {
              "url": "https://git.kernel.org/stable/c/4018651ba5c409034149f297d3dd3328b91561fd"
            }
          ],
          "title": "drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-53056",
        "datePublished": "2024-11-19T17:19:39.646Z",
        "dateReserved": "2024-11-19T17:17:24.974Z",
        "dateUpdated": "2026-05-23T15:55:04.637Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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