{
  "id": "openEuler-SA-2023-1423",
  "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1423",
  "title": "An update for kernel is now available for openEuler-22.03-LTS",
  "severity": "Important",
  "description": "The Linux Kernel, the operating system core itself.\n\nSecurity Fix(es):\n\nA use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.\n\nRacing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.\n\nWe recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).\n\n(CVE-2023-3389)",
  "cves": [
    {
      "id": "CVE-2023-3389",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3389",
      "severity": "Important"
    }
  ]
}