#VU108333 Improper error handling in Linux kernel - CVE-2022-49898
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108333
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-2022-49898
CWE-ID: CWE-388
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 improper error handling within the btrfs_free_tree_block() function in fs/btrfs/extent-tree.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/007058eb8292efc4c88f921752194b83269da085
- https://git.kernel.org/stable/c/52b2b65c9eb56fd829dda323786db828627ff7e6
- https://git.kernel.org/stable/c/968b71583130b6104c9f33ba60446d598e327a8b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1