ima: fix reference leak in asymmetric_verify()

{
  "id": "ce9b45cb0a35300bef4c57d4c38f8d276135f11689cc0a7e10333e851eaa13d0",
  "url": "https://osv.dev/vulnerability/CVE-2022-48831",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ima: fix reference leak in asymmetric_verify()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ima: fix reference leak in asymmetric_verify() Don't leak a reference to the key if its algorithm is unknown.",
    "evidence": "osv:CVE-2022-48831",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.24",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.16.10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-48831",
      "aliases": [
        "CVE-2022-48831"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "947d70597236dd5ae65c1f68c8eabfb962ee5a6b"
                },
                {
                  "fixed": "0838d6d68182f0b28a5434bc6d50727c4757e35b"
                },
                {
                  "fixed": "89f586d3398f4cc0432ed870949dffb702940754"
                },
                {
                  "fixed": "926fd9f23b27ca6587492c3f58f4c7f4cd01dad5"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48831.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.13.0"
                },
                {
                  "fixed": "5.15.24"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "5.16.10"
                }
              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48831.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.481306376Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0838d6d68182f0b28a5434bc6d50727c4757e35b",
        "https://git.kernel.org/stable/c/89f586d3398f4cc0432ed870949dffb702940754",
        "https://git.kernel.org/stable/c/926fd9f23b27ca6587492c3f58f4c7f4cd01dad5",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48831.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-48831",
        "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/2022/48xxx/CVE-2022-48831.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-48831",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 505521,
  "published_at": "2024-07-16T11:44:14.639+00:00"
}