#VU94400 Memory leak in Linux kernel - CVE-2022-48844
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94400
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-2022-48844
CWE-ID: CWE-401
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 memory leak within the hci_release_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/3679ccc09d8806686d579095ed504e045af7f7d6
- https://git.kernel.org/stable/c/9473d06bd1c8da49eafb685aa95a290290c672dd
- https://git.kernel.org/stable/c/dd3b1dc3dd050f1f47cd13e300732852414270f8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17