CVE-2022-49469

Published: Feb 26, 2025Modified: Oct 22, 2025

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (2)

Products: Linux: Linux Kernel

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.18 to 5.18.3
Linux Linux Kernel	From 5.8.3 to 5.17.14

Related CWEs

Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (3)

https://git.kernel.org/stable/c/2256e901f5bddc56e24089c96f27b77da932dfcc

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/7a875ad8706f0903a0e812e0dd701956ee9826ff

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/d887b3de318834f9aa637ecf79c6bc66cba7c69a

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

Timeline

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