#VU98992 Improper locking in Linux kernel - CVE-2022-48982
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98992
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-2022-48982
CWE-ID: CWE-667
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 locking within the hci_register_dev() function in net/bluetooth/hci_core.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/549b46f8130effccf168293270bb3b1d5da529cc
- https://git.kernel.org/stable/c/a49894a5ac3656f1a4f0f6b110460060e8026bf8
- https://git.kernel.org/stable/c/dc8fa6570deadb70c3fb74d7cd8ce38849feaed0
- https://git.kernel.org/stable/c/b5ca338751ad4783ec8d37b5d99c3e37b7813e59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.159
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1