CVE-2022-50847 drm/bridge: it6505: Initialize AUX channel in it6505_i2c_probe

🗓️ 30 Dec 2025 12:11:03Reported by LinuxType

HPD may trigger before DRM registers it6505, causing NULL pointer dereference; AUX channel initialized earlier in i2c_probe.

Reporter	Title	Published	Views	Family All 290
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-2022-50847	30 Dec 202512:11	–	cve
Debian CVE	CVE-2022-50847	30 Dec 202512:11	–	debiancve
EUVD	EUVD-2022-55851	30 Dec 202515:30	–	euvd
NVD	CVE-2022-50847	30 Dec 202513:15	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0317-1)	2 Feb 202600:00	–	openvas
OSV	CVE-2022-50847 drm/bridge: it6505: Initialize AUX channel in it6505_i2c_probe	30 Dec 202512:11	–	osv
OSV	DEBIAN-CVE-2022-50847	30 Dec 202513:15	–	osv
OSV	RHSA-2023:6583 Red Hat Security Advisory: kernel security, bug fix, and enhancement update	16 Sep 202411:04	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/bridge/ite-it6505.c"
    ],
    "versions": [
      {
        "version": "b5c84a9edcd418cd055becad6a22439e7c5e3bf8",
        "lessThan": "8ed8505803774fc3f36a432718036c21cc51e2ba",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b5c84a9edcd418cd055becad6a22439e7c5e3bf8",
        "lessThan": "172d4d64075075f955e6e416915e3f287eec514a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b5c84a9edcd418cd055becad6a22439e7c5e3bf8",
        "lessThan": "e577d4b13064c337b83fe7edecb3f34e87144821",
        "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/gpu/drm/bridge/ite-it6505.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.16",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.2",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/e577d4b13064c337b83fe7edecb3f34e87144821
git	www.git.kernel.org/stable/c/172d4d64075075f955e6e416915e3f287eec514a
git	www.git.kernel.org/stable/c/8ed8505803774fc3f36a432718036c21cc51e2ba

11 May 2026 19:26Current

EPSS0.0002