CVE-2023-54227

🗓️ 30 Dec 2025 12:11:20Reported by LinuxType

cve🔗 web.nvd.nist.gov👁 7 Views🌐 WEB

Fixed tags leak in blk-mq when shrinking nr_hw_queues; tags are freed (CVE-2023-54227).

Reporter	Title	Published	Views	Family All 40
AstraLinux	Astra Linux - уязвимость в linux-5.10	20 May 202605:53	–	astralinux
Circl	CVE-2023-54227	19 Mar 202600:00	–	circl
CNNVD	Linux kernel 安全漏洞	30 Dec 202500:00	–	cnnvd
Cvelist	CVE-2023-54227 blk-mq: fix tags leak when shrink nr_hw_queues	30 Dec 202512:11	–	cvelist
Debian CVE	CVE-2023-54227	30 Dec 202512:11	–	debiancve
Tenable Nessus	EulerOS Virtualization 2.12.1 : kernel (EulerOS-SA-2026-2077)	6 Jun 202600:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.12.0 : kernel (EulerOS-SA-2026-2102)	6 Jun 202600:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2026-2132)	6 Jun 202600:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-2171)	6 Jun 202600:00	–	nessus
Tenable Nessus	SUSE SLES15 Security Update : kernel (SUSE-SU-2026:0278-1)	24 Jan 202600:00	–	nessus

Vulners

CNA

Node

linux linux_kernelRange5.16–6.5.5

linux linux_kernelRange6.6.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-mq.c"
    ],
    "versions": [
      {
        "version": "a846a8e6c9a5949582c5a6a8bbc83a7d27fd891e",
        "lessThan": "c0ef7493e68b8896806a2f598fcffbaa97333405",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a846a8e6c9a5949582c5a6a8bbc83a7d27fd891e",
        "lessThan": "e1dd7bc93029024af5688253b0c05181d6e01f8e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-mq.c"
    ],
    "versions": [
      {
        "version": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5.5",
        "lessThanOrEqual": "6.5.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/c0ef7493e68b8896806a2f598fcffbaa97333405
git	www.git.kernel.org/stable/c/e1dd7bc93029024af5688253b0c05181d6e01f8e

Parameter	Position	Path	Description	CWE
power	path	/mnt/nullb/nullb0/power	ConfigFS path used to enable/trigger power state which relates to tag allocation during submit_queues changes, enabling the reproduction of the leak when shrinking nr_hw_queues.
submit_queues	path	/mnt/nullb/nullb0/submit_queues	ConfigFS entry used to set number of submit queues, part of the reproduce steps that can lead to tag leak when nr_hw_queues is shrunk.

11 May 2026 19:57Current

6.1Medium risk

Vulners AI Score6.1

EPSS0.00025