{
  "cveId": "CVE-2023-1476",
  "url": "https://patchblox.com/security/cve/CVE-2023-1476",
  "summary": "CVE-2023-1476 is fixed in 3 products on 1 platform, first by RHSA-2023:1659, released April 5, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "kpatch-patch-4_18_0-425_10_1: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of...",
  "description": "This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.\n\nSecurity Fix(es):\n\n* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)\n\n* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)\n\n* kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)\n\n* kpatch: mm/mremap.c: incomplete fix for CVE-2022-41222 (CVE-2023-1476)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2023-04-05T00:00:00Z",
  "severity": "Important",
  "cvss": 7,
  "epss": 0.00232,
  "epssPercentile": 0.14129,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "kpatch-patch-4_18_0-425_10_1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-4.el8_7",
      "fix": "RHSA-2023:1659",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-1659",
      "released": "2023-04-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kpatch-patch-4_18_0-425_13_1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-2.el8_7",
      "fix": "RHSA-2023:1659",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-1659",
      "released": "2023-04-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kpatch-patch-4_18_0-425_3_1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-6.el8",
      "fix": "RHSA-2023:1659",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-1659",
      "released": "2023-04-05T00:00:00Z"
    }
  ],
  "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"
  }
}