NULL pointer dereference in Linux kernel tipc



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48865
CWE-ID CWE-476
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU94438

Risk: Low

CVSSv4.0: 4.3 [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 - NULL Pointer Dereference

Exploit availability: No

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 5.17 rc12

CPE2.3 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


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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