{
  "cveId": "CVE-2022-49210",
  "url": "https://patchblox.com/security/cve/CVE-2022-49210",
  "summary": "CVE-2022-49210 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49210, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  MIPS: pgalloc: fix memory leak caused by pgd_fre...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  MIPS: pgalloc: fix memory leak caused by pgd_free()  pgd page is freed by generic implementation pgd_free() since commit f9cb654cb550 (\u0022asm-generic: pgalloc: provide generic pgd_free()\u0022), however, there are scenarios that the system uses more than one page as the pgd table, in such cases the generic implementation pgd_free() won\u0027t be applicable anymore. For example, when PAGE_SIZE_4KB is enabled and MIPS_VA_BITS_48 is not enabled in a 64bit system, the macro \u0022PGD_ORDER\u0022 will be set as \u00221\u0022, which will cause allocating two pages as the pgd table. Well, at the same time, the generic implementation pgd_free() just free one pgd page, which will result in the memory leak.  The memory leak can be easily detected by executing shell command: \u0022while true; do ls \u003E /dev/null; grep MemFree /proc/meminfo; done\u0022",
  "published": "2025-02-26T07:00:58Z",
  "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": 0.00261,
  "epssPercentile": 0.17991,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.17.3-1",
      "fix": "DEBIAN-CVE-2022-49210",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49210",
      "released": "2025-02-26T07:00:58Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.17.3-1",
      "fix": "DEBIAN-CVE-2022-49210",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49210",
      "released": "2025-02-26T07:00:58Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.17.3-1",
      "fix": "DEBIAN-CVE-2022-49210",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49210",
      "released": "2025-02-26T07:00:58Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}