CVE-2026-98211
Received
Received - Intake
Use-After-Free in Linux Kernel MMC Driver
Vulnerability report for CVE-2026-98211, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-06
Last updated on: 2026-10-06
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
mmc: mmci: Fix use-after-free in busy-timeout work
ux500_busy_complete() can queue ux500_busy_timeout_work for an R1b
command, but mmci_remove() never cancels it. The work can subsequently
dereference the devm-allocated mmci_host after it has been released.
Mask the controller interrupts and disable the delayed work during
removal. This drains any queued instance and stops an IRQ handler that
is still in progress from queueing the work again once it has been
disabled.
This issue was found by an in-house static analysis tool.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Linux | Linux | b1a665932dc23cad0b8af2745cd9713f9e930d63 |
| Linux | Linux | b1a665932dc23cad0b8af2745cd9713f9e930d63 |
| Linux | Linux | b1a665932dc23cad0b8af2745cd9713f9e930d63 |
| Linux | Linux | b1a665932dc23cad0b8af2745cd9713f9e930d63 |
| Linux | Linux | 6.5 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
