{
  "cveId": "CVE-2022-48635",
  "url": "https://patchblox.com/security/cve/CVE-2022-48635",
  "summary": "CVE-2022-48635 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48635, released April 28, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  fsdax: Fix infinite loop in dax_iomap_rw()  I go...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  fsdax: Fix infinite loop in dax_iomap_rw()  I got an infinite loop and a WARNING report when executing a tail command in virtiofs.    WARNING: CPU: 10 PID: 964 at fs/iomap/iter.c:34 iomap_iter\u002B0x3a2/0x3d0   Modules linked in:   CPU: 10 PID: 964 Comm: tail Not tainted 5.19.0-rc7   Call Trace:   \u003CTASK\u003E   dax_iomap_rw\u002B0xea/0x620   ? __this_cpu_preempt_check\u002B0x13/0x20   fuse_dax_read_iter\u002B0x47/0x80   fuse_file_read_iter\u002B0xae/0xd0   new_sync_read\u002B0xfe/0x180   ? 0xffffffff81000000   vfs_read\u002B0x14d/0x1a0   ksys_read\u002B0x6d/0xf0   __x64_sys_read\u002B0x1a/0x20   do_syscall_64\u002B0x3b/0x90   entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd  The tail command will call read() with a count of 0. In this case, iomap_iter() will report this WARNING, and always return 1 which casuing the infinite loop in dax_iomap_rw().  Fixing by checking count whether is 0 in dax_iomap_rw().",
  "published": "2024-04-28T13:15:06Z",
  "severity": "medium",
  "cvss": 6.2,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00234,
  "epssPercentile": 0.14376,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-48635",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48635",
      "released": "2024-04-28T13:15:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-48635",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48635",
      "released": "2024-04-28T13:15:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-48635",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48635",
      "released": "2024-04-28T13:15:06Z"
    }
  ],
  "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"
  }
}