{
  "cveId": "CVE-2022-50746",
  "url": "https://patchblox.com/security/cve/CVE-2022-50746",
  "summary": "CVE-2022-50746 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50746, released December 24, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  erofs: validate the extent length for uncompress...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  erofs: validate the extent length for uncompressed pclusters  syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2  The referenced fuzzed image actually has two issues:  - m_pa == 0 as a non-inlined pcluster;  - The logical length is longer than its physical length.  The first issue has already been addressed.  This patch addresses the second issue by checking the extent length validity.",
  "published": "2025-12-24T13:16:01Z",
  "severity": "high",
  "cvss": 8.4,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00213,
  "epssPercentile": 0.11666,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50746",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50746",
      "released": "2025-12-24T13:16:01Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50746",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50746",
      "released": "2025-12-24T13:16:01Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50746",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50746",
      "released": "2025-12-24T13:16:01Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}