CVE-2023-54041

🗓️ 24 Dec 2025 10:56:06Reported by LinuxType

Fix memory leak in io_uring when removing provided buffers by disposing io_buffer structs via a free list and extending the lock.

Reporter	Title	Published	Views	Family All 289
Tenable Nessus	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-169)	3 May 202300:00	–	nessus
Tenable Nessus	SUSE SLES15 Security Update : kernel (SUSE-SU-2026:0317-1)	30 Jan 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2023-54041	25 Dec 202500:00	–	nessus
Amazon	Important: kernel	3 May 202300:00	–	amazon
AstraLinux	Astra Linux - уязвимость в linux-5.10	3 May 202623:59	–	astralinux
CNNVD	Linux kernel 安全漏洞	24 Dec 202500:00	–	cnnvd
Cvelist	CVE-2023-54041 io_uring: fix memory leak when removing provided buffers	24 Dec 202510:56	–	cvelist
Debian CVE	CVE-2023-54041	24 Dec 202510:56	–	debiancve
EUVD	EUVD-2025-205113	24 Dec 202512:30	–	euvd
NVD	CVE-2023-54041	24 Dec 202511:15	–	nvd

Vulners

CNA

Node

linux linux_kernelRange5.18–6.1.24

linux linux_kernelRange6.2.0–6.2.11

linux linux_kernelRange6.3.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/io_uring.c",
      "io_uring/kbuf.c"
    ],
    "versions": [
      {
        "version": "cc3cec8367cba76a8ae4c271eba8450f3efc1ba3",
        "lessThan": "ac48787f58d1068f4e06d627c1135784d64b4c72",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc3cec8367cba76a8ae4c271eba8450f3efc1ba3",
        "lessThan": "c117c15927772d1624c29c092b6bd3f47c7faa48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc3cec8367cba76a8ae4c271eba8450f3efc1ba3",
        "lessThan": "b4a72c0589fdea6259720375426179888969d6a2",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/io_uring.c",
      "io_uring/kbuf.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.24",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.11",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/b4a72c0589fdea6259720375426179888969d6a2
git	www.git.kernel.org/stable/c/c117c15927772d1624c29c092b6bd3f47c7faa48
git	www.git.kernel.org/stable/c/ac48787f58d1068f4e06d627c1135784d64b4c72

11 May 2026 19:54Current

6Medium risk

Vulners AI Score6

EPSS0.00027