CVE-2022-49469

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49469
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/2256e901f5bddc56e24089c96f27b77da932dfcc Patch
https://git.kernel.org/stable/c/7a875ad8706f0903a0e812e0dd701956ee9826ff Patch
https://git.kernel.org/stable/c/d887b3de318834f9aa637ecf79c6bc66cba7c69a Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

22 Oct 2025, 17:22

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: se corrige la fuga de anon_dev en create_subvol() Cuando btrfs_qgroup_inherit(), btrfs_alloc_tree_block o btrfs_insert_root() fallan en create_subvol(), regresamos sin liberar anon_dev. Reorganice la gestión de errores en create_subvol() para solucionar esto.
CWE CWE-401
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/2256e901f5bddc56e24089c96f27b77da932dfcc - () https://git.kernel.org/stable/c/2256e901f5bddc56e24089c96f27b77da932dfcc - Patch
References () https://git.kernel.org/stable/c/7a875ad8706f0903a0e812e0dd701956ee9826ff - () https://git.kernel.org/stable/c/7a875ad8706f0903a0e812e0dd701956ee9826ff - Patch
References () https://git.kernel.org/stable/c/d887b3de318834f9aa637ecf79c6bc66cba7c69a - () https://git.kernel.org/stable/c/d887b3de318834f9aa637ecf79c6bc66cba7c69a - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-10-22 17:22

NVD link : CVE-2022-49469

Mitre link : CVE-2022-49469

CVE.ORG link : CVE-2022-49469

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime