{
  "cveId": "CVE-2022-49709",
  "url": "https://patchblox.com/security/cve/CVE-2022-49709",
  "summary": "CVE-2022-49709 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49709, 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:  cfi: Fix __cfi_slowpath_diag RCU usage with cpui...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle  RCU_NONIDLE usage during __cfi_slowpath_diag can result in an invalid RCU state in the cpuidle code path:    WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcu_eqs_enter\u002B0xe4/0x138   ...   Call trace:     rcu_eqs_enter\u002B0xe4/0x138     rcu_idle_enter\u002B0xa8/0x100     cpuidle_enter_state\u002B0x154/0x3a8     cpuidle_enter\u002B0x3c/0x58     do_idle.llvm.6590768638138871020\u002B0x1f4/0x2ec     cpu_startup_entry\u002B0x28/0x2c     secondary_start_kernel\u002B0x1b8/0x220     __secondary_switched\u002B0x94/0x98  Instead, call rcu_irq_enter/exit to wake up RCU only when needed and disable interrupts for the entire CFI shadow/module check when we do.",
  "published": "2025-02-26T07:01:46Z",
  "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": 0.00258,
  "epssPercentile": 0.17591,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.18.14-1",
      "fix": "DEBIAN-CVE-2022-49709",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49709",
      "released": "2025-02-26T07:01:46Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.18.14-1",
      "fix": "DEBIAN-CVE-2022-49709",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49709",
      "released": "2025-02-26T07:01:46Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.18.14-1",
      "fix": "DEBIAN-CVE-2022-49709",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49709",
      "released": "2025-02-26T07:01:46Z"
    }
  ],
  "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"
  }
}