ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc()

{
  "id": "6748a4af4625fe405cb6877a629ad6a7cfe7a3eff3c993b7244538a92f4d8b61",
  "url": "https://osv.dev/vulnerability/CVE-2024-56696",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc() kunit_kzalloc() may return a NULL pointer, dereferencing it without NULL check may lead to NULL dereference. Add NULL checks for all the kunit_kzalloc() in sound_kunit.c",
    "evidence": "osv:CVE-2024-56696",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.11.11",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-56696",
      "aliases": [
        "CVE-2024-56696"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "3e39acf56ededdebd1033349a16b704839b94b28"
                },
                {
                  "fixed": "f5486bf8abfe778b368d8fd1aa655dc01d0013ca"
                },
                {
                  "fixed": "8bfff486ecc79a72e9380e2d5e0ff234d5542d2f"
                },
                {
                  "fixed": "9ad467a2b2716d4ed12f003b041aa6c776a13ff5"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56696.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.9.0"
                },
                {
                  "fixed": "6.11.11"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.12.0"
                },
                {
                  "fixed": "6.12.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56696.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.590287746Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/8bfff486ecc79a72e9380e2d5e0ff234d5542d2f",
        "https://git.kernel.org/stable/c/9ad467a2b2716d4ed12f003b041aa6c776a13ff5",
        "https://git.kernel.org/stable/c/f5486bf8abfe778b368d8fd1aa655dc01d0013ca",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56696.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-56696",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56696.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-56696",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498346,
  "published_at": "2024-12-28T09:46:20.094+00:00"
}