CVE-2022-50809 xhci: dbc: Fix memory leak in xhci_alloc_dbc()

🗓️ 30 Dec 2025 12:08:27Reported by LinuxType

Linux kernel extensible host controller interface driver fixes memory leak in allocation when design by contract is in use.

Reporter	Title	Published	Views	Family All 298
AstraLinux	Astra Linux - уязвимость в linux-5.10	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	30 Dec 202500:00	–	cnnvd
CVE	CVE-2022-50809	30 Dec 202512:08	–	cve
Debian CVE	CVE-2022-50809	30 Dec 202512:08	–	debiancve
EUVD	EUVD-2022-55889	30 Dec 202515:30	–	euvd
NVD	CVE-2022-50809	30 Dec 202513:15	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0317-1)	2 Feb 202600:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0617-1)	26 Feb 202600:00	–	openvas
OSV	CLSA-2026-1777616064 kernel: Fix of 260 CVEs	1 May 202609:15	–	osv
OSV	CVE-2022-50809 xhci: dbc: Fix memory leak in xhci_alloc_dbc()	30 Dec 202512:08	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/host/xhci-dbgcap.c"
    ],
    "versions": [
      {
        "version": "d7afb4a13f6c6ee7df7d0bfc67b4ef19ece6d802",
        "lessThan": "103b459590e1eb4d80b02761eb36c7cae1d9b58e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "534675942e901959b5d8dc11ea526c4e48817d8e",
        "lessThan": "116d6a6964986ea7eb516daa36128d270f1f248d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "534675942e901959b5d8dc11ea526c4e48817d8e",
        "lessThan": "69e67c804d09a6b1bcda1f4f242f151f813eeb4a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "534675942e901959b5d8dc11ea526c4e48817d8e",
        "lessThan": "d591b32e519603524a35b172156db71df9116902",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.58",
        "lessThan": "5.15.75",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/host/xhci-dbgcap.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.75",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.17",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.3",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/103b459590e1eb4d80b02761eb36c7cae1d9b58e
git	www.git.kernel.org/stable/c/116d6a6964986ea7eb516daa36128d270f1f248d
git	www.git.kernel.org/stable/c/69e67c804d09a6b1bcda1f4f242f151f813eeb4a
git	www.git.kernel.org/stable/c/d591b32e519603524a35b172156db71df9116902

23 May 2026 15:25Current

EPSS0.00028