{
  "cveId": "CVE-2022-49295",
  "url": "https://patchblox.com/security/cve/CVE-2022-49295",
  "summary": "CVE-2022-49295 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49295, 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:  nbd: call genl_unregister_family() first in nbd_...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  nbd: call genl_unregister_family() first in nbd_cleanup()  Otherwise there may be race between module removal and the handling of netlink command, which can lead to the oops as shown below:    BUG: kernel NULL pointer dereference, address: 0000000000000098   Oops: 0002 [#1] SMP PTI   CPU: 1 PID: 31299 Comm: nbd-client Tainted: G            E     5.14.0-rc4   Hardware name: QEMU Standard PC (i440FX \u002B PIIX, 1996)   RIP: 0010:down_write\u002B0x1a/0x50   Call Trace:    start_creating\u002B0x89/0x130    debugfs_create_dir\u002B0x1b/0x130    nbd_start_device\u002B0x13d/0x390 [nbd]    nbd_genl_connect\u002B0x42f/0x748 [nbd]    genl_family_rcv_msg_doit.isra.0\u002B0xec/0x150    genl_rcv_msg\u002B0xe5/0x1e0    netlink_rcv_skb\u002B0x55/0x100    genl_rcv\u002B0x29/0x40    netlink_unicast\u002B0x1a8/0x250    netlink_sendmsg\u002B0x21b/0x430    ____sys_sendmsg\u002B0x2a4/0x2d0    ___sys_sendmsg\u002B0x81/0xc0    __sys_sendmsg\u002B0x62/0xb0    __x64_sys_sendmsg\u002B0x1f/0x30    do_syscall_64\u002B0x3b/0xc0    entry_SYSCALL_64_after_hwframe\u002B0x44/0xae   Modules linked in: nbd(E-)",
  "published": "2025-02-26T07:01:06Z",
  "severity": "medium",
  "cvss": 4.7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00251,
  "epssPercentile": 0.16617,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49295",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49295",
      "released": "2025-02-26T07:01:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49295",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49295",
      "released": "2025-02-26T07:01:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49295",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49295",
      "released": "2025-02-26T07:01:06Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}