CVE-2022-50858
Unknown
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 30, 2025
First seenDec 30, 2025
How to fix
Update
- Linux Linux289c964fe182ce755044a6cd57698072e12ffa6f, 4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2, 29c5b4da41f35108136d843c7432885c78cf8272, 48dc06333d75f41c2ce9ba954bc3231324b45914, 60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2, e93d1468f429475a753d6baa79b853b7ee5ef8c0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | c5413ad815a675b5c98a002353d8e96b44b164e9 ≤ v < 289c964fe182ce755044a6cd57698072e12ffa6f, c5413ad815a675b5c98a002353d8e96b44b164e9 ≤ v < 4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2, c5413ad815a675b5c98a002353d8e96b44b164e9 ≤ v < 29c5b4da41f35108136d843c7432885c78cf8272, c5413ad815a675b5c98a002353d8e96b44b164e9 ≤ v < 48dc06333d75f41c2ce9ba954bc3231324b45914, c5413ad815a675b5c98a002353d8e96b44b164e9 ≤ v < 60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2, c5413ad815a675b5c98a002353d8e96b44b164e9 ≤ v < e93d1468f429475a753d6baa79b853b7ee5ef8c0, 5.0 | 289c964fe182ce755044a6cd57698072e12ffa6f, 4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2, 29c5b4da41f35108136d843c7432885c78cf8272, 48dc06333d75f41c2ce9ba954bc3231324b45914, 60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2, e93d1468f429475a753d6baa79b853b7ee5ef8c0 |
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