Input validation error in Linux kernel net ppp driver



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-41044
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: #VU95108

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-2024-41044

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 ppp_read() and ppp_write() functions in drivers/net/ppp/ppp_generic.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.19 - 6.6.40

CPE2.3 External links

https://git.kernel.org/stable/c/97d1efd8be26615ff680cdde86937d5943138f37
https://git.kernel.org/stable/c/6e8f1c21174f9482033bbb59f13ce1a8cbe843c3
https://git.kernel.org/stable/c/3ba12c2afd933fc1bf800f6d3f6c7ec8f602ce56
https://git.kernel.org/stable/c/ebc5c630457783d17d0c438b0ad70b232a64a82f
https://git.kernel.org/stable/c/3134bdf7356ed952dcecb480861d2afcc1e40492
https://git.kernel.org/stable/c/099502ca410922b56353ccef2749bc0de669da78
https://git.kernel.org/stable/c/d683e7f3fc48f59576af34631b4fb07fd931343e
https://git.kernel.org/stable/c/f2aeb7306a898e1cbd03963d376f4b6656ca2b55
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.318
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.222
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.163
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.280
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.100
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.41


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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