#VU94450 Improper locking in Linux kernel - CVE-2022-48830
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94450
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-2022-48830
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 LIST_HEAD(), isotp_rcv() and isotp_init() functions in net/can/isotp.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/7b53d2204ce79b27a878074a77d64f40ec21dbca
- https://git.kernel.org/stable/c/f90cc68f9f4b5d8585ad5d0a206a9d37ac299ef3
- https://git.kernel.org/stable/c/5b068f33bc8acfcfd5ea7992a2dafb30d89bad30
- https://git.kernel.org/stable/c/7c759040c1dd03954f650f147ae7175476d51314
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.101
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17