{
  "cveId": "CVE-2022-49928",
  "url": "https://patchblox.com/security/cve/CVE-2022-49928",
  "summary": "CVE-2022-49928 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49928, released May 1, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  SUNRPC: Fix null-ptr-deref when xps sysfs alloc...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  SUNRPC: Fix null-ptr-deref when xps sysfs alloc failed  There is a null-ptr-deref when xps sysfs alloc failed:   BUG: KASAN: null-ptr-deref in sysfs_do_create_link_sd\u002B0x40/0xd0   Read of size 8 at addr 0000000000000030 by task gssproxy/457    CPU: 5 PID: 457 Comm: gssproxy Not tainted 6.0.0-09040-g02357b27ee03 #9   Call Trace:    \u003CTASK\u003E    dump_stack_lvl\u002B0x34/0x44    kasan_report\u002B0xa3/0x120    sysfs_do_create_link_sd\u002B0x40/0xd0    rpc_sysfs_client_setup\u002B0x161/0x1b0    rpc_new_client\u002B0x3fc/0x6e0    rpc_create_xprt\u002B0x71/0x220    rpc_create\u002B0x1d4/0x350    gssp_rpc_create\u002B0xc3/0x160    set_gssp_clnt\u002B0xbc/0x140    write_gssp\u002B0x116/0x1a0    proc_reg_write\u002B0xd6/0x130    vfs_write\u002B0x177/0x690    ksys_write\u002B0xb9/0x150    do_syscall_64\u002B0x35/0x80    entry_SYSCALL_64_after_hwframe\u002B0x46/0xb0  When the xprt_switch sysfs alloc failed, should not add xprt and switch sysfs to it, otherwise, maybe null-ptr-deref; also initialize the \u0027xps_sysfs\u0027 to NULL to avoid oops when destroy it.",
  "published": "2025-05-01T15:16:18Z",
  "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": 0.00363,
  "epssPercentile": 0.30347,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.8-1",
      "fix": "DEBIAN-CVE-2022-49928",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49928",
      "released": "2025-05-01T15:16:18Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.8-1",
      "fix": "DEBIAN-CVE-2022-49928",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49928",
      "released": "2025-05-01T15:16:18Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.8-1",
      "fix": "DEBIAN-CVE-2022-49928",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49928",
      "released": "2025-05-01T15:16:18Z"
    }
  ],
  "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"
  }
}