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CVE-2022-50858 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/289c964fe182ce755044a6cd57698072e12ffa6f kernel.org
https://git.kernel.org/stable/c/29c5b4da41f35108136d843c7432885c78cf8272 kernel.org
https://git.kernel.org/stable/c/48dc06333d75f41c2ce9ba954bc3231324b45914 kernel.org
https://git.kernel.org/stable/c/4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2 kernel.org
https://git.kernel.org/stable/c/60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2 kernel.org
https://git.kernel.org/stable/c/e93d1468f429475a753d6baa79b853b7ee5ef8c0 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-50858
NVD Published Date:
12/30/2025
NVD Last Modified:
12/30/2025
Source:
kernel.org