#VU102187 Input validation error in Linux kernel - CVE-2024-56663

Vulnerability identifier: #VU102187

Vulnerability 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-2024-56663

CWE-ID: CWE-20

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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the NLA_POLICY_NESTED_ARRAY() function in net/wireless/nl80211.c. A local user can perform a denial of service (DoS) attack.

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/29e640ae641b9f5ffc666049426d2b16c98d9963
https://git.kernel.org/stable/c/2e3dbf938656986cce73ac4083500d0bcfbffe24
https://git.kernel.org/stable/c/f3412522f78826fef1dfae40ef378a863df2591c
https://git.kernel.org/stable/c/f850d1d9f1106f528dfc5807565f2d1fa9a397d3

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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.