CVE-2022-48667: smb3: fix temporary data corruption in insert range

Published Apr 28, 2024
·
Updated

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

smb3: fix temporary data corruption in insert range

insert range doesn't discard the affected cached region so can risk temporarily corrupting file data.

Also includes some minor cleanup (avoiding rereading inode size repeatedly unnecessarily) to make it clearer.

Affected Software

6 affected components
Linux Linux kernel
Linux Linux kernel>=5.13<5.19.12
Linux Linux kernel=6.0-rc1
Linux Linux kernel=6.0-rc2
Linux Linux kernel=6.0-rc3
Microsoft cbl2 kernel 5.15.186.1-1

Event History

Apr 28, 2024
CVE Published
via MITRE·01:01 PM
Data Sourced
via MITRE·01:01 PM
Description
Data Sourced
via NVD·01:15 PM
RemedyDescriptionSeverityAffected Software
Sep 20, 2025
Data Sourced
via Microsoft·01:02 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:02 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2022-48667?

CVE-2022-48667 is classified as a moderate severity vulnerability due to the risk of temporary file data corruption.

2

How do I fix CVE-2022-48667?

To fix CVE-2022-48667, you should update your Linux kernel to the latest stable version where this vulnerability has been patched.

3

What impact does CVE-2022-48667 have on systems?

CVE-2022-48667 can lead to temporary data corruption in files accessed over SMB3, affecting data integrity.

4

Which versions of the Linux kernel are affected by CVE-2022-48667?

CVE-2022-48667 affects certain versions of the Linux kernel, particularly those using SMB3 functionalities.

5

Is CVE-2022-48667 an exploitable vulnerability?

CVE-2022-48667 is not considered easily exploitable, but it poses a risk to file data integrity during specific operations.

Contact

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