#VU102281 Input validation error in Linux kernel - CVE-2024-56590

Vulnerability identifier: #VU102281

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-2024-56590

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 hci_tx_work() and hci_acldata_packet() functions in net/bluetooth/hci_core.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/219960a48771b35a3857a491b955c31d6c33d581
https://git.kernel.org/stable/c/3fe288a8214e7dd784d1f9b7c9e448244d316b47
https://git.kernel.org/stable/c/559b1c7ac2e212a23b3833d3baf3bd957771d02e
https://git.kernel.org/stable/c/5e50d12cc6e95e1fde08f5db6992b616f714b0fb
https://git.kernel.org/stable/c/93a6160dc198ffe5786da8bd8588cfd17f53b29a

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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.