CVE-2026-53384

🗓️ 19 Jul 2026 11:59:32Reported by LinuxType

During 8250_dw probe, failure to register clock notifier leaves the port registered; unregister it to prevent use-after-free.

Reporter	Title	Published	Views	Family All 12
ATTACKERKB	CVE-2026-53384	19 Jul 202611:59	–	attackerkb
Cvelist	CVE-2026-53384 serial: 8250_dw: unregister 8250 port if clk_notifier_register() fails	19 Jul 202611:59	–	cvelist
Debian CVE	CVE-2026-53384	19 Jul 202611:59	–	debiancve
EUVD	EUVD-2026-45506	19 Jul 202611:59	–	euvd
NVD	CVE-2026-53384	19 Jul 202612:16	–	nvd
OSV	CVE-2026-53384 serial: 8250_dw: unregister 8250 port if clk_notifier_register() fails	19 Jul 202611:59	–	osv
OSV	DEBIAN-CVE-2026-53384	19 Jul 202612:16	–	osv
OSV	UBUNTU-CVE-2026-53384	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61089	19 Jul 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-53384	20 Jul 202613:47	–	redhatcve

Vulners

CNA

Node

linux linux_kernelRange5.9–6.1.177

linux linux_kernelRange6.2.0–6.6.144

linux linux_kernelRange6.7.0–6.12.95

linux linux_kernelRange6.13.0–6.18.38

linux linux_kernelRange6.19.0–7.0.14

linux linux_kernelRange7.1.0–7.1.2

linux linux_kernelRange7.2.0–7.2-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/serial/8250/8250_dw.c"
    ],
    "versions": [
      {
        "version": "cc816969d7b5973d2720d9afd381f06f0eac6885",
        "lessThan": "ccdf4510a3873b14e5e348cdb038717996f09fda",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc816969d7b5973d2720d9afd381f06f0eac6885",
        "lessThan": "511d2b92f8d20de04acafab676150d26fb5c67f4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc816969d7b5973d2720d9afd381f06f0eac6885",
        "lessThan": "07ffe414a708ae60551401cec5d727ed156b8caf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc816969d7b5973d2720d9afd381f06f0eac6885",
        "lessThan": "3d205fe80f2181f0109150ad1fa06ee5bc046935",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc816969d7b5973d2720d9afd381f06f0eac6885",
        "lessThan": "d72650a4f334581b23a1892b888a4cb1be142f76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc816969d7b5973d2720d9afd381f06f0eac6885",
        "lessThan": "778b9dda4b24005a27bcd9c35c110bf8d7f259ca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc816969d7b5973d2720d9afd381f06f0eac6885",
        "lessThan": "10fc708b4de7f86002d2d735a2dbf3b5b7f65692",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/serial/8250/8250_dw.c"
    ],
    "versions": [
      {
        "version": "5.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.177",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.144",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.14",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.2",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/ccdf4510a3873b14e5e348cdb038717996f09fda
git	www.git.kernel.org/stable/c/07ffe414a708ae60551401cec5d727ed156b8caf
git	www.git.kernel.org/stable/c/511d2b92f8d20de04acafab676150d26fb5c67f4
git	www.git.kernel.org/stable/c/d72650a4f334581b23a1892b888a4cb1be142f76
git	www.git.kernel.org/stable/c/10fc708b4de7f86002d2d735a2dbf3b5b7f65692
git	www.git.kernel.org/stable/c/3d205fe80f2181f0109150ad1fa06ee5bc046935
git	www.git.kernel.org/stable/c/778b9dda4b24005a27bcd9c35c110bf8d7f259ca

20 Jul 2026 15:16Current

5.4Medium risk

Vulners AI Score5.4

CVSS 3.19.8

EPSS0.00173