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CVE-2022-50858 mmc: alcor: fix return value check of mmc_add_host()

🗓️ 30 Dec 2025 12:15:32Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 46 Views

Fix memory leak by checking mmc_add_host return value and freeing host in the error path.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10, Linux
14 Sep 202612:41
–astralinux
bdu_fstec
BDU FSTEC
mmc/host/alcor.c Heap Buffer Overflow DoS
30 Jun 202600:00
–bdu_fstec
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
30 Dec 202500:00
–cnnvd
cve
CVE
CVE-2022-50858
30 Dec 202512:15
–cve
debiancve
Debian CVE
CVE-2022-50858
30 Dec 202512:15
–debiancve
euvd
EUVD
EUVD-2022-55840
30 Dec 202515:30
–euvd
nvd
NVD
CVE-2022-50858
30 Dec 202513:16
–nvd
openvas
OpenVAS
SUSE: Security Advisory (SUSE-SU-2026:0317-1)
2 Feb 202600:00
–openvas
openvas
OpenVAS
SUSE: Security Advisory (SUSE-SU-2026:0617-1)
26 Feb 202600:00
–openvas
osv_debian
osv_debian
DEBIAN-CVE-2022-50858
30 Dec 202513:16
–osv_debian
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/mmc/host/alcor.c"
    ],
    "versions": [
      {
        "version": "c5413ad815a675b5c98a002353d8e96b44b164e9",
        "lessThan": "289c964fe182ce755044a6cd57698072e12ffa6f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5413ad815a675b5c98a002353d8e96b44b164e9",
        "lessThan": "4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5413ad815a675b5c98a002353d8e96b44b164e9",
        "lessThan": "29c5b4da41f35108136d843c7432885c78cf8272",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5413ad815a675b5c98a002353d8e96b44b164e9",
        "lessThan": "48dc06333d75f41c2ce9ba954bc3231324b45914",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5413ad815a675b5c98a002353d8e96b44b164e9",
        "lessThan": "60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5413ad815a675b5c98a002353d8e96b44b164e9",
        "lessThan": "e93d1468f429475a753d6baa79b853b7ee5ef8c0",
        "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/alcor.c"
    ],
    "versions": [
      {
        "version": "5.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.0",
        "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"
      }
    ]
  }
]

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