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Status published
Medium
CVE-2022-49469
btrfs: fix anon_dev leak in create_subvol()
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix anon_dev leak in create_subvol() When btrfs_qgroup_inherit(), btrfs_alloc_tree_block, or btrfs_insert_root() fail in create_subvol(), we return without freeing anon_dev. Reorganize the error handling in create_subvol() to fix this.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
2dfb1e43f57dd3aeaa66f7cf05d068db2d4c8788, 917d608fe375041eb7f29befa6a6d7fd3cf32dde, 5.8.3, 5.9, 0, 5.17.14, 5.18.3, 5.19
Timeline
Official Publish:
February 26th, 2025
Last Modified:
May 23rd, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.