#VU97270 Input validation error in Linux kernel - CVE-2024-46680

Vulnerability identifier: #VU97270

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-2024-46680

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 ps_wakeup(), btnxpuart_close() and nxp_serdev_remove() functions in drivers/bluetooth/btnxpuart.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/662a55986b88807da4d112d838c8aaa05810e938
https://git.kernel.org/stable/c/29a1d9971e38f92c84b363ff50379dd434ddfe1c
https://git.kernel.org/stable/c/35237475384ab3622f63c3c09bdf6af6dacfe9c3

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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.