{
  "cveId": "CVE-2021-47519",
  "url": "https://patchblox.com/security/cve/CVE-2021-47519",
  "summary": "CVE-2021-47519 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47519, released May 24, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  can: m_can: m_can_read_fifo: fix memory leak in...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  can: m_can: m_can_read_fifo: fix memory leak in error branch  In m_can_read_fifo(), if the second call to m_can_fifo_read() fails, the function jump to the out_fail label and returns without calling m_can_receive_skb(). This means that the skb previously allocated by alloc_can_skb() is not freed. In other terms, this is a memory leak.  This patch adds a goto label to destroy the skb if an error occurs.  Issue was found with GCC -fanalyzer, please follow the link below for details.",
  "published": "2024-05-24T15:15:13Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00496,
  "epssPercentile": 0.42825,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47519",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47519",
      "released": "2024-05-24T15:15:13Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47519",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47519",
      "released": "2024-05-24T15:15:13Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47519",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47519",
      "released": "2024-05-24T15:15:13Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}