CVE-2022-49178: memstick/mspro_block: fix handling of read-only devices

Published Feb 26, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

memstick/msproblock: fix handling of read-only devices

Use setdiskro to propagate the read-only state to the block layer instead of checking for it in ->open and leaking a reference in case of a read-only device.

Affected Software

4 affected components
Linux Linux kernel
Linux Linux kernel<5.16.19
Linux Linux kernel>=5.17<5.17.2
Microsoft cbl2 kernel 5.15.186.1-1

Event History

Feb 26, 2025
CVE Published
via MITRE·01:55 AM
Data Sourced
via MITRE·01:55 AM
DescriptionSeverity
Data Sourced
via NVD·07:00 AM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 25, 2025
Data Sourced
via Microsoft·01:01 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:01 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2022-49178?

CVE-2022-49178 has a moderate severity level due to the potential impact on read-only device management in the Linux kernel.

2

How do I fix CVE-2022-49178?

To fix CVE-2022-49178, update the Linux kernel to version 5.17.2 or later, or apply the patches provided by your Linux distribution.

3

Which versions of the Linux kernel are affected by CVE-2022-49178?

CVE-2022-49178 affects Linux kernel versions prior to 5.17.2 and between versions 5.17 and 5.16.19.

4

What components are impacted by CVE-2022-49178?

CVE-2022-49178 impacts the memstick/mspro_block component in the Linux kernel.

5

Is CVE-2022-49178 publicly disclosed?

Yes, CVE-2022-49178 has been publicly disclosed as part of the Linux kernel vulnerability announcements.

Contact

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