objtool, nvmet: Fix out-of-bounds stack access in nvmet_ctrl_state_show()

{
  "id": "87608586bb3a8dc20d2da9f2f65b42b78a019250fae6542cdb2e4d3c90285de4",
  "url": "https://osv.dev/vulnerability/CVE-2025-39778",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "objtool, nvmet: Fix out-of-bounds stack access in nvmet_ctrl_state_show()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: objtool, nvmet: Fix out-of-bounds stack access in nvmet_ctrl_state_show() The csts_state_names[] array only has six sparse entries, but the iteration code in nvmet_ctrl_state_show() iterates seven, resulting in a potential out-of-bounds stack read. Fix that. Fixes the following warning with an UBSAN kernel: vmlinux.o: warning: objtool: .text.nvmet_ctrl_state_show: unexpected end of section",
    "evidence": "osv:CVE-2025-39778",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.23",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.13.11",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.14.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-39778",
      "aliases": [
        "CVE-2025-39778"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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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                  "fixed": "8fbf37a3577b4d64c150cafde338eee17b2f2ea4"
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                {
                  "fixed": "107a23185d990e3df6638d9a84c835f963fe30a6"
                }
              ]
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39778.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
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                {
                  "fixed": "6.12.23"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.13.11"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.14.0"
                },
                {
                  "fixed": "6.14.2"
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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-2025-39778.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.483696858Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0cc0efc58d6c741b2868d4af24874d7fec28a575",
        "https://git.kernel.org/stable/c/107a23185d990e3df6638d9a84c835f963fe30a6",
        "https://git.kernel.org/stable/c/1adc93a525fdee8e2b311e6d5fd93eb69714ca05",
        "https://git.kernel.org/stable/c/8fbf37a3577b4d64c150cafde338eee17b2f2ea4",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39778.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-39778",
        "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/2025/39xxx/CVE-2025-39778.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-39778",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505534,
  "published_at": "2025-04-18T07:01:37.909+00:00"
}