Improper locking in Linux kernel phonet



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-27402
CWE-ID CWE-667
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) Improper locking

EUVDB-ID: #VU92026

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-2024-27402

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the pep_sock_enable() and pep_ioctl() functions in net/phonet/pep.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.15 - 6.8 rc5

CPE2.3 External links

https://git.kernel.org/stable/c/9d5523e065b568e79dfaa2ea1085a5bcf74baf78
https://git.kernel.org/stable/c/0a9f558c72c47472c38c05fcb72c70abb9104277
https://git.kernel.org/stable/c/8ef4fcc7014b9f93619851d6b78d6cc2789a4c88
https://git.kernel.org/stable/c/7d2a894d7f487dcb894df023e9d3014cf5b93fe5
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.181
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8


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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