{
  "cveId": "CVE-2022-48872",
  "url": "https://patchblox.com/security/cve/CVE-2022-48872",
  "summary": "CVE-2022-48872 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48872, released August 21, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  misc: fastrpc: Fix use-after-free race condition...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  misc: fastrpc: Fix use-after-free race condition for maps  It is possible that in between calling fastrpc_map_get() until map-\u003Efl-\u003Elock is taken in fastrpc_free_map(), another thread can call fastrpc_map_lookup() and get a reference to a map that is about to be deleted.  Rewrite fastrpc_map_get() to only increase the reference count of a map if it\u0027s non-zero. Propagate this to callers so they can know if a map is about to be deleted.  Fixes this warning: refcount_t: addition on 0; use-after-free. WARNING: CPU: 5 PID: 10100 at lib/refcount.c:25 refcount_warn_saturate ... Call trace:  refcount_warn_saturate  [fastrpc_map_get inlined]  [fastrpc_map_lookup inlined]  fastrpc_map_create  fastrpc_internal_invoke  fastrpc_device_ioctl  __arm64_sys_ioctl  invoke_syscall",
  "published": "2024-08-21T07:15:04Z",
  "severity": "high",
  "cvss": 7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00244,
  "epssPercentile": 0.15706,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.8-1",
      "fix": "DEBIAN-CVE-2022-48872",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48872",
      "released": "2024-08-21T07:15:04Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.8-1",
      "fix": "DEBIAN-CVE-2022-48872",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48872",
      "released": "2024-08-21T07:15:04Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.8-1",
      "fix": "DEBIAN-CVE-2022-48872",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48872",
      "released": "2024-08-21T07:15:04Z"
    }
  ],
  "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"
  }
}