CVE-2022-50858mmc: alcor: fix return value check of mmc_add_host()
Updated under an hour ago ()
Does this affect you?
It affects Linux. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Deferred
- Record last updated
- May 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from c5413ad815a675b5c98a002353d8e96b44b164e9 before 289c964fe182ce755044a6cd57698072e12ffa6f; from c5413ad815a675b5c98a002353d8e96b44b164e9 before 4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2; from c5413ad815a675b5c98a002353d8e96b44b164e9 before 29c5b4da41f35108136d843c7432885c78cf8272; from c5413ad815a675b5c98a002353d8e96b44b164e9 before 48dc06333d75f41c2ce9ba954bc3231324b45914; from c5413ad815a675b5c98a002353d8e96b44b164e9 before 60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2; from c5413ad815a675b5c98a002353d8e96b44b164e9 before e93d1468f429475a753d6baa79b853b7ee5ef8c0 | CNA record |
References
- https://git.kernel.org/stable/c/289c964fe182ce755044a6cd57698072e12ffa6f
- https://git.kernel.org/stable/c/4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2
- https://git.kernel.org/stable/c/29c5b4da41f35108136d843c7432885c78cf8272
- https://git.kernel.org/stable/c/48dc06333d75f41c2ce9ba954bc3231324b45914
- https://git.kernel.org/stable/c/60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2
- https://git.kernel.org/stable/c/e93d1468f429475a753d6baa79b853b7ee5ef8c0
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.