erofs: fix incorrect early exits in volume label handling

{
  "id": "0cb5ff365630c86cb894ae088ae9eb7a95555f881d530c7ae5cc24bb957c0abf",
  "url": "https://osv.dev/vulnerability/CVE-2026-43154",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "erofs: fix incorrect early exits in volume label handling",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: erofs: fix incorrect early exits in volume label handling Crafted EROFS images containing valid volume labels can trigger incorrect early returns, leading to folio reference leaks. However, this does not cause system crashes or other severe issues.",
    "evidence": "osv:CVE-2026-43154",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.19.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-43154",
      "aliases": [
        "CVE-2026-43154"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1cf12c7177410afcb53f815315d1247ea57fae4f"
                },
                {
                  "fixed": "8d8a878ef60801d867119b3df6a93e2982d62a71"
                },
                {
                  "fixed": "d498bd168494ad4a4bce16192bfb9ce04ca19c9a"
                },
                {
                  "fixed": "3afa4da38802a4cba1c23848a32284e7e57b831b"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43154.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.18.0"
                },
                {
                  "fixed": "6.18.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "6.19.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43154.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.433149573Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3afa4da38802a4cba1c23848a32284e7e57b831b",
        "https://git.kernel.org/stable/c/8d8a878ef60801d867119b3df6a93e2982d62a71",
        "https://git.kernel.org/stable/c/d498bd168494ad4a4bce16192bfb9ce04ca19c9a",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43154.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43154",
        "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/2026/43xxx/CVE-2026-43154.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-43154",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 499325,
  "published_at": "2026-05-06T11:27:35.116+00:00"
}