CVE-2024-57798 (GCVE-0-2024-57798)

Vulnerability from cvelistv5 – Published: 2025-01-11 12:39 – Updated: 2026-05-11 20:59
VLAI
Title
drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req() While receiving an MST up request message from one thread in drm_dp_mst_handle_up_req(), the MST topology could be removed from another thread via drm_dp_mst_topology_mgr_set_mst(false), freeing mst_primary and setting drm_dp_mst_topology_mgr::mst_primary to NULL. This could lead to a NULL deref/use-after-free of mst_primary in drm_dp_mst_handle_up_req(). Avoid the above by holding a reference for mst_primary in drm_dp_mst_handle_up_req() while it's used. v2: Fix kfreeing the request if getting an mst_primary reference fails.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:08 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9408cc94eb041d0c2f9f00189a613b94c0449450 , < f61b2e5e7821f868d6afc22382a66a30ee780ba0 (git)
Affected: 9408cc94eb041d0c2f9f00189a613b94c0449450 , < 9735d40f5fde9970aa46e828ecc85c32571d58a2 (git)
Affected: 9408cc94eb041d0c2f9f00189a613b94c0449450 , < ce55818b2d3a999f886af91679589e4644ff1dc8 (git)
Affected: 9408cc94eb041d0c2f9f00189a613b94c0449450 , < e54b00086f7473dbda1a7d6fc47720ced157c6a8 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.5
Unaffected: 0 , < 5.5 (semver)
Unaffected: 6.1.123 , ≤ 6.1.* (semver)
Unaffected: 6.6.69 , ≤ 6.6.* (semver)
Unaffected: 6.12.8 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              },
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:01:29+00:00",
      "cve": "CVE-2024-57798",
      "id": "CVE-2024-57798",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "70",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-57798.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-23T17:14:20Z",
      "cve": "CVE-2024-57798",
      "id": "CVE-2024-57798",
      "initial_release_date": "2025-01-12T00:14:13Z",
      "product_status:known_affected": "356",
      "product_status:known_not_affected": "251",
      "product_status:recommended": "709",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-57798",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-57798.json",
      "version": "78"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T20:54:32.760Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 7.8,
                  "baseSeverity": "HIGH",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "HIGH",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2024-57798",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-10-01T20:08:59.297300Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-476",
                    "description": "CWE-476 NULL Pointer Dereference",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-01T15:53:28.787Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/display/drm_dp_mst_topology.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "f61b2e5e7821f868d6afc22382a66a30ee780ba0",
                  "status": "affected",
                  "version": "9408cc94eb041d0c2f9f00189a613b94c0449450",
                  "versionType": "git"
                },
                {
                  "lessThan": "9735d40f5fde9970aa46e828ecc85c32571d58a2",
                  "status": "affected",
                  "version": "9408cc94eb041d0c2f9f00189a613b94c0449450",
                  "versionType": "git"
                },
                {
                  "lessThan": "ce55818b2d3a999f886af91679589e4644ff1dc8",
                  "status": "affected",
                  "version": "9408cc94eb041d0c2f9f00189a613b94c0449450",
                  "versionType": "git"
                },
                {
                  "lessThan": "e54b00086f7473dbda1a7d6fc47720ced157c6a8",
                  "status": "affected",
                  "version": "9408cc94eb041d0c2f9f00189a613b94c0449450",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
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              ],
              "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": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.123",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.69",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.12.*",
                  "status": "unaffected",
                  "version": "6.12.8",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.13",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.123",
                      "versionStartIncluding": "5.5",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.69",
                      "versionStartIncluding": "5.5",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12.8",
                      "versionStartIncluding": "5.5",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.13",
                      "versionStartIncluding": "5.5",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()\n\nWhile receiving an MST up request message from one thread in\ndrm_dp_mst_handle_up_req(), the MST topology could be removed from\nanother thread via drm_dp_mst_topology_mgr_set_mst(false), freeing\nmst_primary and setting drm_dp_mst_topology_mgr::mst_primary to NULL.\nThis could lead to a NULL deref/use-after-free of mst_primary in\ndrm_dp_mst_handle_up_req().\n\nAvoid the above by holding a reference for mst_primary in\ndrm_dp_mst_handle_up_req() while it\u0027s used.\n\nv2: Fix kfreeing the request if getting an mst_primary reference fails."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T20:59:09.510Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
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              "url": "https://git.kernel.org/stable/c/f61b2e5e7821f868d6afc22382a66a30ee780ba0"
            },
            {
              "url": "https://git.kernel.org/stable/c/9735d40f5fde9970aa46e828ecc85c32571d58a2"
            },
            {
              "url": "https://git.kernel.org/stable/c/ce55818b2d3a999f886af91679589e4644ff1dc8"
            },
            {
              "url": "https://git.kernel.org/stable/c/e54b00086f7473dbda1a7d6fc47720ced157c6a8"
            }
          ],
          "title": "drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-57798",
        "datePublished": "2025-01-11T12:39:48.212Z",
        "dateReserved": "2025-01-11T12:32:49.420Z",
        "dateUpdated": "2026-05-11T20:59:09.510Z",
        "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

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  • 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.
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  • 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.



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.