CVE-2022-49469

low-risk

Published 2025-02-26

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.

Do I need to act?

0.07% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Linux Kernel

Affected Vendors

Linux

References (3)

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

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

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

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal