Input validation error in Linux kernel netfilter



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-27015
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: #VU94132

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-2024-27015

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 nf_flow_tuple_encap() function in net/netfilter/nf_flow_table_ip.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 - 6.6.28

CPE2.3 External links

https://git.kernel.org/stable/c/e719b52d0c56989b0f3475a03a6d64f182c85b56
https://git.kernel.org/stable/c/f1c3c61701a0b12f4906152c1626a5de580ea3d2
https://git.kernel.org/stable/c/4ed82dd368ad883dc4284292937b882f044e625d
https://git.kernel.org/stable/c/e3f078103421642fcd5f05c5e70777feb10f000d
https://git.kernel.org/stable/c/6db5dc7b351b9569940cd1cf445e237c42cd6d27
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.157
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.88
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.29


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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