CVE-2022-49705

CVSS 3.1 Score 5.5 of 10 (medium)

Details

Published Feb 26, 2025

Updated: Mar 11, 2025

Summary

CVE-2022-49705 is a vulnerability affecting the Linux kernel's 9p file system. The issue involved a refcount leak in the function v9fs_vfs_atomic_open_dotl, leading to a directory file id (fid) leak. The vulnerability was discovered during testing with xfstests, and it has been addressed by releasing the directory fid if the open operation fails mid-process. This fix prevents the potential misuse of leaked fid information.

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Linux Kernel

Affected Vendors

LINUX

Advisories, Assessments, and Mitigations

https://app.recordedfuture.com/live/sc/entity/3uudi1
https://www.cve.org/CVERecord?id=CVE-2022-49705
https://nvd.nist.gov/vuln/detail/CVE-2022-49705

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