#VU99217 Input validation error in Linux kernel - CVE-2022-48977
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99217
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-2022-48977
CWE-ID: CWE-20
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 input validation within the can_rcv() and canfd_rcv() functions in net/can/af_can.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/3982652957e8d79ac32efcb725450580650a8644
- https://git.kernel.org/stable/c/c42221efb1159d6a3c89e96685ee38acdce86b6f
- https://git.kernel.org/stable/c/c142cba37de29f740a3852f01f59876af8ae462a
- https://git.kernel.org/stable/c/fcc63f2f7ee3038d53216edd0d8291e57c752557
- https://git.kernel.org/stable/c/0acc442309a0a1b01bcdaa135e56e6398a49439c
- 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/v5.x/ChangeLog-5.4.227
- 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