#VU94480 Resource management error in Linux kernel - CVE-2022-48833
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94480
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48833
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the free_log_tree() function in fs/btrfs/tree-log.c, within the btrfs_put_block_group() and btrfs_free_block_groups() functions in fs/btrfs/block-group.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/4c5d94990fa2fd609360ecd0f7e183212a7d115c
- https://git.kernel.org/stable/c/44557a8f539a822c91238c1f95a95f98a5093d82
- https://git.kernel.org/stable/c/40cdc509877bacb438213b83c7541c5e24a1d9ec
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17