Input validation error in Linux kernel can j1939



| Updated: 2025-05-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-49845
CWE-ID CWE-20
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) Input validation error

EUVDB-ID: #VU108392

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-2022-49845

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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 j1939_send_one() function in net/can/j1939/main.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 - 5.10.154

CPE2.3 External links

https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72
https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f
https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c
https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8
https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.155


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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