CVE-2022-50101 video: fbdev: vt8623fb: Check the size of screen before memset_io()

🗓️ 18 Jun 2025 11:02:37Reported by LinuxType

Resolved CVE-2022-50101 in Linux kernel prevents improper screen_size in vt8623fb function.

Reporter	Title	Published	Views	Family All 219
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	18 Jun 202500:00	–	cnnvd
CVE	CVE-2022-50101	18 Jun 202511:02	–	cve
Debian CVE	CVE-2022-50101	18 Jun 202511:02	–	debiancve
EUVD	EUVD-2022-55367	3 Oct 202520:07	–	euvd
NVD	CVE-2022-50101	18 Jun 202511:15	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:02264-1)	15 Jul 202500:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:02308-1)	16 Jul 202500:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:02334-1)	18 Jul 202500:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:02537-1)	30 Jul 202500:00	–	openvas

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/video/fbdev/vt8623fb.c"
    ],
    "versions": [
      {
        "version": "558b7bd86c32978648cda5deb5c758d77ef0c165",
        "lessThan": "73280a184aa2e1a625ce54ce761042955cc79cd0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "558b7bd86c32978648cda5deb5c758d77ef0c165",
        "lessThan": "52ad9bfeb8a0e62de30de6d39e8a49a72dd78150",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "558b7bd86c32978648cda5deb5c758d77ef0c165",
        "lessThan": "d71528ccdc7ae8d7500d414091d27805c51407a2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "558b7bd86c32978648cda5deb5c758d77ef0c165",
        "lessThan": "bd8269e57621e5b38cc0b4bd2fa02e85c9f2a441",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "558b7bd86c32978648cda5deb5c758d77ef0c165",
        "lessThan": "4a3cef1eaced13ba9b55381d46bfad937a3dac2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "558b7bd86c32978648cda5deb5c758d77ef0c165",
        "lessThan": "b17caec5127bba6f90af92bcc85871df54548ac0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "558b7bd86c32978648cda5deb5c758d77ef0c165",
        "lessThan": "c7a3f41e4b133d4dd25bc996b69039b19a34d69d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "558b7bd86c32978648cda5deb5c758d77ef0c165",
        "lessThan": "ec0754c60217248fa77cc9005d66b2b55200ac06",
        "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/video/fbdev/vt8623fb.c"
    ],
    "versions": [
      {
        "version": "2.6.22",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.22",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.291",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.256",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.211",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.137",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.61",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.18",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.2",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/bd8269e57621e5b38cc0b4bd2fa02e85c9f2a441
git	www.git.kernel.org/stable/c/b17caec5127bba6f90af92bcc85871df54548ac0
git	www.git.kernel.org/stable/c/73280a184aa2e1a625ce54ce761042955cc79cd0
git	www.git.kernel.org/stable/c/c7a3f41e4b133d4dd25bc996b69039b19a34d69d
git	www.git.kernel.org/stable/c/ec0754c60217248fa77cc9005d66b2b55200ac06
git	www.git.kernel.org/stable/c/d71528ccdc7ae8d7500d414091d27805c51407a2
git	www.git.kernel.org/stable/c/4a3cef1eaced13ba9b55381d46bfad937a3dac2c
git	www.git.kernel.org/stable/c/52ad9bfeb8a0e62de30de6d39e8a49a72dd78150

11 May 2026 19:12Current

EPSS0.00051