{
  "cveId": "CVE-2021-47521",
  "url": "https://patchblox.com/security/cve/CVE-2021-47521",
  "summary": "CVE-2021-47521 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47521, released May 24, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  can: sja1000: fix use after free in ems_pcmcia_a...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  can: sja1000: fix use after free in ems_pcmcia_add_card()  If the last channel is not available then \u0022dev\u0022 is freed.  Fortunately, we can just use \u0022pdev-\u003Eirq\u0022 instead.  Also we should check if at least one channel was set up.",
  "published": "2024-05-24T15:15:14Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00242,
  "epssPercentile": 0.15495,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47521",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47521",
      "released": "2024-05-24T15:15:14Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47521",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47521",
      "released": "2024-05-24T15:15:14Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47521",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47521",
      "released": "2024-05-24T15:15:14Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}