CVE-2022-50301 iommu/omap: Fix buffer overflow in debugfs

🗓️ 15 Sep 2025 14:45:57Reported by LinuxType

Fix buffer overflow in debugfs for iommu omap by validating length before first write and using scnprintf to report actual bytes copied.

Reporter	Title	Published	Views	Family All 55
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	15 Sep 202500:00	–	cnnvd
CVE	CVE-2022-50301	15 Sep 202514:45	–	cve
Debian CVE	CVE-2022-50301	15 Sep 202514:45	–	debiancve
EUVD	EUVD-2022-55554	3 Oct 202520:07	–	euvd
NVD	CVE-2022-50301	15 Sep 202515:15	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:03615-1)	20 Oct 202500:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:03628-1)	20 Oct 202500:00	–	openvas
OSV	CLSA-2026-1775779453 Fix of 68 CVEs	10 Apr 202600:04	–	osv
OSV	CVE-2022-50301 iommu/omap: Fix buffer overflow in debugfs	15 Sep 202514:45	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/omap-iommu-debug.c"
    ],
    "versions": [
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "706e359cf046c142db290244c3f4938b20fbe805",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "ec53b99b6b9da8b501f001595a6260c03b42d5b7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "648472df221f2bbffb433b964bcb87baccc586d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "4010a1afaae1c0fb9c2cac5de703bed29b1f1782",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "2fee0dbfaeaaa4bda04279ce772c4572b1429d04",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "0c7043a5b5c3b35f5dc8875757f71e7f491d64d4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "bd0438f534b2e31b12f0b39b355c5dc2bbdaf854",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "9814cc350e0765ce69244bf55ae4c8b29facd27e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd4396f09a4a9e77423e92ec9448217ab46f6edf",
        "lessThan": "184233a5202786b20220acd2d04ddf909ef18f29",
        "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/iommu/omap-iommu-debug.c"
    ],
    "versions": [
      {
        "version": "3.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.331",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.296",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.262",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.220",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.150",
        "lessThanOrEqual": "5.10.*",
        "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/4010a1afaae1c0fb9c2cac5de703bed29b1f1782
git	www.git.kernel.org/stable/c/bd0438f534b2e31b12f0b39b355c5dc2bbdaf854
git	www.git.kernel.org/stable/c/184233a5202786b20220acd2d04ddf909ef18f29
git	www.git.kernel.org/stable/c/ec53b99b6b9da8b501f001595a6260c03b42d5b7
git	www.git.kernel.org/stable/c/9814cc350e0765ce69244bf55ae4c8b29facd27e
git	www.git.kernel.org/stable/c/0c7043a5b5c3b35f5dc8875757f71e7f491d64d4
git	www.git.kernel.org/stable/c/648472df221f2bbffb433b964bcb87baccc586d8
git	www.git.kernel.org/stable/c/2fee0dbfaeaaa4bda04279ce772c4572b1429d04
git	www.git.kernel.org/stable/c/706e359cf046c142db290244c3f4938b20fbe805

11 May 2026 19:16Current

EPSS0.00023