#VU102406 Input validation error in Linux kernel - CVE-2024-56757

Vulnerability identifier: #VU102406

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-2024-56757

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 btusb_mtk_claim_iso_intf(), btusb_mtk_release_iso_intf(), btusb_mtk_reset(), btusb_mtk_setup() and btusb_probe() functions in drivers/bluetooth/btusb.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/489304e67087abddc2666c5af0159cb95afdcf59
https://git.kernel.org/stable/c/cc569d791ab2a0de74f76e470515d25d24c9b84b

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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.