ghsa-vc2j-428r-9px5
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-11-07 00:30
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

ceph: avoid putting the realm twice when decoding snaps fails

When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49770"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:15:59Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: avoid putting the realm twice when decoding snaps fails\n\nWhen decoding the snaps fails it maybe leaving the \u0027first_realm\u0027\nand \u0027realm\u0027 pointing to the same snaprealm memory. And then it\u0027ll\nput it twice and could cause random use-after-free, BUG_ON, etc\nissues.",
  "id": "GHSA-vc2j-428r-9px5",
  "modified": "2025-11-07T00:30:27Z",
  "published": "2025-05-01T15:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49770"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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