#VU90850 Input validation error in Linux kernel - CVE-2024-36880

Vulnerability identifier: #VU90850

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-2024-36880

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 qca_send_pre_shutdown_cmd(), qca_tlv_check_data() and qca_download_firmware() functions in drivers/bluetooth/btqca.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/ed53949cc92e28aaa3463d246942bda1fbb7f307
https://git.kernel.org/stable/c/1caceadfb50432dbf6d808796cb6c34ebb6d662c
https://git.kernel.org/stable/c/427281f9498ed614f9aabc80e46ec077c487da6d
https://git.kernel.org/stable/c/02f05ed44b71152d5e11d29be28aed91c0489b4e
https://git.kernel.org/stable/c/2e4edfa1e2bd821a317e7d006517dcf2f3fac68d

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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.