drm/shmem-helper: Remove errant put in error path

{
  "id": "3e9d5b7804d3540bfdb3c2274f0cc41c3802d25feadacd17c058ea4327d7c23a",
  "url": "https://osv.dev/vulnerability/CVE-2022-48981",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/shmem-helper: Remove errant put in error path",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drm_gem_shmem_mmap() doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free.",
    "evidence": "osv:CVE-2022-48981",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.227",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.159",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.83",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-48981",
      "aliases": [
        "CVE-2022-48981"
      ],
      "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": [
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                  "introduced": "2194a63a818db71065ebe09c8104f5f021ca4e7b"
                },
                {
                  "fixed": "585a07b820059462e0c93b76c7de2cd946b26b40"
                },
                {
                  "fixed": "6a4da05acd062ae7774b6b19cef2b7d922902d36"
                },
                {
                  "fixed": "83e3da8bb92fcfa7a1d232cf55f9e6c49bb84942"
                },
                {
                  "fixed": "586847b98e20ab02212ca5c1fc46680384e68a28"
                },
                {
                  "fixed": "24013314be6ee4ee456114a671e9fa3461323de8"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48981.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.2.0"
                },
                {
                  "fixed": "5.4.227"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.159"
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
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                {
                  "fixed": "5.15.83"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
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                {
                  "fixed": "6.0.13"
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              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48981.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.525972709Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/24013314be6ee4ee456114a671e9fa3461323de8",
        "https://git.kernel.org/stable/c/585a07b820059462e0c93b76c7de2cd946b26b40",
        "https://git.kernel.org/stable/c/586847b98e20ab02212ca5c1fc46680384e68a28",
        "https://git.kernel.org/stable/c/6a4da05acd062ae7774b6b19cef2b7d922902d36",
        "https://git.kernel.org/stable/c/83e3da8bb92fcfa7a1d232cf55f9e6c49bb84942",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48981.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-48981",
        "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-2022-48981.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-48981",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499324,
  "published_at": "2024-10-21T20:05:59.043+00:00"
}