CVE-2022-49705: 9p: fix fid refcount leak in v9fs_vfs_atomic_open_dotl

Published Feb 26, 2025
·
Updated

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

9p: fix fid refcount leak in v9fsvfsatomicopendotl

We need to release directory fid if we fail halfway through open

This fixes fid leaking with xfstests generic 531

Affected Software

6 affected components
Linux Linux kernel
Linux Linux kernel>=5.11<5.15.51
Linux Linux kernel>=5.16<5.18.8
Linux Linux kernel=5.19-rc1
Linux Linux kernel=5.19-rc2
Linux Linux kernel=5.19-rc3

Event History

Feb 26, 2025
CVE Published
via MITRE·02:24 AM
Data Sourced
via MITRE·02:24 AM
Description
Data Sourced
via NVD·07:01 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-49705?

The CVE-2022-49705 vulnerability has a moderate severity level due to its potential impact on resource management in the Linux kernel.

2

How do I fix CVE-2022-49705?

To fix CVE-2022-49705, update your Linux kernel to the latest stable version that includes the patch for this vulnerability.

3

What is the impact of CVE-2022-49705?

CVE-2022-49705 can lead to a resource leak in the Linux kernel, specifically causing file identification structure references to not be properly released.

4

Which versions of the Linux kernel are affected by CVE-2022-49705?

CVE-2022-49705 affects various versions of the Linux kernel prior to the patch that resolves the fid refcount leak.

5

Is CVE-2022-49705 exploitable in all environments?

CVE-2022-49705 may not be universally exploitable, as its impact can vary depending on the specific use case and configuration of the affected Linux kernel.

Contact

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