{
  "threat_severity" : "Low",
  "public_date" : "2025-12-24T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: Linux kernel: Memory leak in io_uring can lead to denial of service",
    "id" : "2424997",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2424997"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-772",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nio_uring: fix memory leak when removing provided buffers\nWhen removing provided buffers, io_buffer structs are not being disposed\nof, leading to a memory leak. They can't be freed individually, because\nthey are allocated in page-sized groups. They need to be added to some\nfree list instead, such as io_buffers_cache. All callers already hold\nthe lock protecting it, apart from when destroying buffers, so had to\nextend the lock there.", "A flaw was found in the Linux kernel's io_uring subsystem. When removing provided buffers, the system fails to properly dispose of `io_buffer` structures, leading to a memory leak. A local attacker could exploit this vulnerability to cause a denial of service (DoS) due to memory exhaustion." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-54041\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-54041\nhttps://lore.kernel.org/linux-cve-announce/2025122440-CVE-2023-54041-57f4@gregkh/T" ],
  "name" : "CVE-2023-54041",
  "csaw" : false
}