CVE-2022-50769 mmc: mxcmmc: fix return value check of mmc_add_host()

🗓️ 24 Dec 2025 13:05:58Reported by LinuxType

Linux fix: check mmc add host return value to prevent memory leak and kernel crash by freeing host on error.

Reporter	Title	Published	Views	Family All 297
AstraLinux	Astra Linux - уязвимость в linux, linux-5.10	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	24 Dec 202500:00	–	cnnvd
CVE	CVE-2022-50769	24 Dec 202513:05	–	cve
Debian CVE	CVE-2022-50769	24 Dec 202513:05	–	debiancve
EUVD	EUVD-2022-55792	24 Dec 202515:30	–	euvd
NVD	CVE-2022-50769	24 Dec 202513:16	–	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	CVE-2022-50769 mmc: mxcmmc: fix return value check of mmc_add_host()	24 Dec 202513:05	–	osv
OSV	DEBIAN-CVE-2022-50769	24 Dec 202513:16	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/mmc/host/mxcmmc.c"
    ],
    "versions": [
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "5f35c038c9f4d258b3cf77885a2730f1417d63e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "1cf0c1e58738b97e2de207846105b6a5d46622ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "32eb502c972dfc34413c9147418b3d94d870c2b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "3904eb97bb78fdca3e16d30a38ce5697b9686110",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "2d496050ded83b13b16f05e1fc0329b0210d2493",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "d37474ab9a79149075f0823315c6d45dd983a78c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "d2ead18bc7cc166220cab5a744a05c5b69431a12",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d96be879ff469759af6d7fcebdb66237c18da6f8",
        "lessThan": "cde600af7b413c9fe03e85c58c4279df90e91d13",
        "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/mmc/host/mxcmmc.c"
    ],
    "versions": [
      {
        "version": "2.6.29",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.29",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.337",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.303",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.270",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.229",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.163",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.86",
        "lessThanOrEqual": "5.15.*",
        "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/1cf0c1e58738b97e2de207846105b6a5d46622ee
git	www.git.kernel.org/stable/c/d2ead18bc7cc166220cab5a744a05c5b69431a12
git	www.git.kernel.org/stable/c/5f35c038c9f4d258b3cf77885a2730f1417d63e7
git	www.git.kernel.org/stable/c/d37474ab9a79149075f0823315c6d45dd983a78c
git	www.git.kernel.org/stable/c/32eb502c972dfc34413c9147418b3d94d870c2b8
git	www.git.kernel.org/stable/c/b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89
git	www.git.kernel.org/stable/c/2d496050ded83b13b16f05e1fc0329b0210d2493
git	www.git.kernel.org/stable/c/cde600af7b413c9fe03e85c58c4279df90e91d13
git	www.git.kernel.org/stable/c/3904eb97bb78fdca3e16d30a38ce5697b9686110

11 May 2026 19:25Current

EPSS0.00061