CVE-2022-48626: moxart: fix potential use-after-free on remove path

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-02-26 · updated 2026-06-17
Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: moxart: fix potential use-after-free on remove path It was reported that the mmc host structure could be accessed after it was freed in moxart_remove(), so fix this by saving the base register of the device and using it instead of the pointer dereference.

Affected products

Linux kernel: from 3.16 before 4.9.301; from 4.10 before 4.14.266; from 4.15 before 4.19.229; from 4.20 before 5.4.179; from 5.5 before 5.10.100; from 5.11 before 5.15.23 — fixed in 4.14.266, 4.19.229, 4.9.301, 5.10.100, 5.15.23, 5.16.9

How to fix

Upgrade to a fixed version: Linux kernel 4.14.266, 4.19.229, 4.9.301, 5.10.100. Check the vendor advisory for mitigations.

References

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