efi: libstub: only free priv.runtime_map when allocated

{
  "id": "247e4486a72025ba634fe855d45f8ca6da8afbcb6f54db49f78ca2fc4d05f68e",
  "url": "https://osv.dev/vulnerability/CVE-2024-33619",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "efi: libstub: only free priv.runtime_map when allocated",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: efi: libstub: only free priv.runtime_map when allocated priv.runtime_map is only allocated when efi_novamap is not set. Otherwise, it is an uninitialized value. In the error path, it is freed unconditionally. Avoid passing an uninitialized value to free_pool. Free priv.runtime_map only when it was allocated. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.",
    "evidence": "osv:CVE-2024-33619",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.93",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.33",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-33619",
      "aliases": [
        "CVE-2024-33619"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f80d26043af91ceb5036c478101c015edb9e7630"
                },
                {
                  "fixed": "b8938d6f570f010a1dcdbfed3e5b5d3258c2a908"
                },
                {
                  "fixed": "9dce01f386c9ce6990c0a83fa14b1c95330b037e"
                },
                {
                  "fixed": "6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554"
                },
                {
                  "fixed": "4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-33619.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.1.0"
                },
                {
                  "fixed": "6.1.93"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.33"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.9.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-33619.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.042059436Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974",
        "https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554",
        "https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037e",
        "https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33619.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-33619",
        "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/2024/33xxx/CVE-2024-33619.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-33619",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496461,
  "published_at": "2024-06-21T10:18:05.007+00:00"
}