CVE-2022-50858 - CVE House
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Status published Unknown CVE-2022-50858

mmc: alcor: fix return value check of mmc_add_host()

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: mmc: alcor: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, the memory that allocated in mmc_alloc_host() will be leaked and it will lead a kernel crash because of deleting not added device in the remove path. So fix this by checking the return value and calling mmc_free_host() in the error path.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
c5413ad815a675b5c98a002353d8e96b44b164e9, 5.0, 0, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2

Timeline

Official Publish: December 30th, 2025
Last Modified: May 11th, 2026
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.