#VU94438 NULL pointer dereference in Linux kernel - CVE-2022-48865
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94438
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-2022-48865
CWE-ID: CWE-476
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 NULL pointer dereference within the tipc_enable_bearer() function in net/tipc/bearer.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/2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5
- https://git.kernel.org/stable/c/f96dc3adb9a97b8f3dfdb88796483491a3006b71
- https://git.kernel.org/stable/c/f4f59fdbc748805b08c13dae14c01f0518c77c94
- https://git.kernel.org/stable/c/be4977b847f5d5cedb64d50eaaf2218c3a55a3a3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.106
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17