CVE-2024-39498 (GCVE-0-2024-39498)

Vulnerability from cvelistv5 – Published: 2024-07-12 12:20 – Updated: 2026-05-11 20:21
VLAI
Title
drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2 [Why] Commit: - commit 5aa1dfcdf0a4 ("drm/mst: Refactor the flow for payload allocation/removement") accidently overwrite the commit - commit 54d217406afe ("drm: use mgr->dev in drm_dbg_kms in drm_dp_add_payload_part2") which cause regression. [How] Recover the original NULL fix and remove the unnecessary input parameter 'state' for drm_dp_add_payload_part2(). (cherry picked from commit 4545614c1d8da603e57b60dd66224d81b6ffc305)
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:07 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 5aa1dfcdf0a429e4941e2eef75b006a8c7a8ac49 , < 8e21de5f99b2368a5155037ce0aae8aaba3f5241 (git)
Affected: 5aa1dfcdf0a429e4941e2eef75b006a8c7a8ac49 , < 5a507b7d2be15fddb95bf8dee01110b723e2bcd9 (git)
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Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 6.9.6 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-10T17:07:19.937077Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-11T12:42:25.164Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c",
                "drivers/gpu/drm/display/drm_dp_mst_topology.c",
                "drivers/gpu/drm/i915/display/intel_dp_mst.c",
                "drivers/gpu/drm/nouveau/dispnv50/disp.c",
                "include/drm/display/drm_dp_mst_helper.h"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "8e21de5f99b2368a5155037ce0aae8aaba3f5241",
                  "status": "affected",
                  "version": "5aa1dfcdf0a429e4941e2eef75b006a8c7a8ac49",
                  "versionType": "git"
                },
                {
                  "lessThan": "5a507b7d2be15fddb95bf8dee01110b723e2bcd9",
                  "status": "affected",
                  "version": "5aa1dfcdf0a429e4941e2eef75b006a8c7a8ac49",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c",
                "drivers/gpu/drm/display/drm_dp_mst_topology.c",
                "drivers/gpu/drm/i915/display/intel_dp_mst.c",
                "drivers/gpu/drm/nouveau/dispnv50/disp.c",
                "include/drm/display/drm_dp_mst_helper.h"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "6.7"
                },
                {
                  "lessThan": "6.7",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.9.*",
                  "status": "unaffected",
                  "version": "6.9.6",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.10",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.9.6",
                      "versionStartIncluding": "6.7",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10",
                      "versionStartIncluding": "6.7",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2\n\n[Why]\nCommit:\n- commit 5aa1dfcdf0a4 (\"drm/mst: Refactor the flow for payload allocation/removement\")\naccidently overwrite the commit\n- commit 54d217406afe (\"drm: use mgr-\u003edev in drm_dbg_kms in drm_dp_add_payload_part2\")\nwhich cause regression.\n\n[How]\nRecover the original NULL fix and remove the unnecessary input parameter \u0027state\u0027 for\ndrm_dp_add_payload_part2().\n\n(cherry picked from commit 4545614c1d8da603e57b60dd66224d81b6ffc305)"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-04T09:17:05.782Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/8e21de5f99b2368a5155037ce0aae8aaba3f5241"
            },
            {
              "url": "https://git.kernel.org/stable/c/5a507b7d2be15fddb95bf8dee01110b723e2bcd9"
            }
          ],
          "title": "drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-39498",
        "datePublished": "2024-07-12T12:20:32.980Z",
        "dateReserved": "2024-06-25T14:23:23.751Z",
        "dateUpdated": "2025-05-04T09:17:05.782Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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