#VU93615 Incorrect calculation in Linux kernel - CVE-2024-27017

Vulnerability identifier: #VU93615

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-27017

CWE-ID: CWE-682

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to manipulate data.

The vulnerability exists due to incorrect calculation within the nft_pipapo_walk() function in net/netfilter/nft_set_pipapo.c, within the nft_map_deactivate(), nf_tables_bind_set(), nft_map_activate(), nf_tables_dump_set(), nft_set_flush() and nf_tables_check_loops() functions in net/netfilter/nf_tables_api.c. A local user can manipulate data.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/721715655c72640567e8742567520c99801148ed
https://git.kernel.org/stable/c/29b359cf6d95fd60730533f7f10464e95bd17c73

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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.