CVE-2022-49469

MEDIUM

Linux Kernel 5.8.3-5.17.14, 5.9.0-5.17.14, 5.18.0-5.18.3 - Use-After-Free in create_subvol()

Title source: llm

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.

References (3)

Core 3

Core References

Patch

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

Patch

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

Patch

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

Scores

CVSS v3 5.5

EPSS 0.0024

EPSS Percentile 14.6%

Attack Vector LOCAL

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

Details

CWE

CWE-401

Status published

Products (13)

linux/Kernel 5.18.0 - 5.18.3linux

linux/Kernel 5.9.0 - 5.17.14linux

Linux/Linux < 5.9

Linux/Linux 2dfb1e43f57dd3aeaa66f7cf05d068db2d4c8788 - 2256e901f5bddc56e24089c96f27b77da932dfcc

Linux/Linux 2dfb1e43f57dd3aeaa66f7cf05d068db2d4c8788 - 7a875ad8706f0903a0e812e0dd701956ee9826ff

Linux/Linux 2dfb1e43f57dd3aeaa66f7cf05d068db2d4c8788 - d887b3de318834f9aa637ecf79c6bc66cba7c69a

Linux/Linux 5.17.14 - 5.17.*

Linux/Linux 5.18.3 - 5.18.*

Linux/Linux 5.19

Linux/Linux 5.8.3 - 5.9

... and 3 more

Published Feb 26, 2025

Tracked Since Feb 18, 2026